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ZIP+4 Code™ Lookup — Last 4 Digits of ZIP Codes Meaning/Use

ZIP+4 Codes are 4-digit codes added to traditional ZIP Codes that provide faster routing. The last 4 digits of the ZIP Code represent delivery route segments within delivery areas and generally consist of 10-20 mailboxes. For example, a ZIP+4 could indicate floor #16 in a high-rise, a street’s north-facing homes, or a large business.

ZIP+4 Codes indicate small geographic areas. By adding a ZIP+4 to what you mail, the USPS instantly knows the date, time, and carrier that will place your letter in the mailbox. The USPS will also immediately knows every truck, airplane, and facility they’ll use along the way.

That’s how ZIP plus 4 codes help prevent misdelivered, lost, delayed, and returned mail. Including those last 4 digits can reduce delivery time by as much as 2 days!

Full 9-Digit ZIP Code Lookup

USPS ZIP+4 Code lookups are a cinch with the right tools, and Smarty provides easy-to-use options for single ZIP+4 Code lookups, looking up ZIP+4 Codes in bulk (up to millions at a time), and ZIP+4 Code lookup via API.

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In this article; we’ll cover:

  • How to Find My ZIP+4 Code Extension?
  • What ZIP+4 Codes Are.
  • Full, 9-Digit ZIP Code Benefit
  • How ZIP Codes Became 9-Digit-ZIP Codes
  • ZIP+4 Code Database
  • What Is My Full ZIP Code?

How to Find My ZIP+4 Code Extension

Quickly find the last 4 digits of ZIP Codes for almost any address in the United States by watching this video.

What ZIP+4 Codes Are

ZIP+4 Codes are 4-digit codes appended to the original 5-digit USPS ZIP Codes. Using the full ZIP Code with the extra 4 digits when mailing via the USPS ensures the fastest, most accurate mailing possible.

ZIP+4 Codes are also frequently referred to «Plus-Four Codes», «ZIP Code Extensions», «9-digit ZIP Codes», «Full ZIP Codes», or simply «Extended ZIP Codes». No matter what name you use, ZIP plus 4 codes aid the USPS in sorting and distributing mail effectively.

ZIP plus 4 lookup tools don’t just find the full ZIP Code. The +4 shows after the address standardization and validation process confirm the address is mailable.

These codes indicate a specific delivery route, meaning the actual path the mail truck would travel in a single drop-off. Usually, this comprises ten to twenty homes or locations. The USPS also assigns ZIP+4 Codes to PO Boxes. Typically, each PO Box gets its own +4 Code, which often matches the box number.

The extra 4 digits on ZIP Codes identify segments of fluid postal delivery routes. They’re not permanent lines, so those last 4 digits on 9-digit ZIP Codes can change regularly. Five-digit ZIP Codes also change, but they do so infrequently; it’s less likely that you will live in a ZIP Code when it changes. Not so for the last 4 digits of zip codes.

The +4 on a ZIP Code can change as frequently as every month. Quantity of postal employees, new construction, remapping delivery areas, etc., are just a few things that cause ZIP+4 Code changes.

Full, 9-Digit ZIP Code Benefits

Here are a few benefits of looking up ZIP+4 Codes/9-digit ZIP Codes as a part of your address data management or shipping processes.

  • Faster Shipping — Each ZIP+4 Code represents segments of delivery routes that are usually within a single block of the desired delivery point. That simple 9-digit number makes routing more efficient since the USPS knows which mail person will put the letter in the mailbox. Completing ZIP+4s on your mail can speed up processing and delivery, sometimes by as many as two days.
  • Reduce Lost Mail & Misdeliveries — More efficient routing also means fewer opportunities for mistakes along the way.
  • Less Returned Mail — Obtaining ZIP+4 Codes requires validation; that means the address is a valid delivery point. It also means the address information is standardized to the USPS address format. Mail delivery is more reliable with a valid, standardized address with ZIP4 Code since the address data is clearly understood.
  • Save Money with Bulk Mailings — If you send at least 50 packages or more than 200-500 pieces of mail, you may be able to qualify for commercial mailing discounts. By adding ZIP+4 Codes, Delivery Point Barcodes, and sorting/bundling your mail, you can get discounts up to 5% to nearly 60% off the prices you’d pay at the post office.
  • Cleaner Address Data — Addresses must be validated, standardized, and corrected before you get the ZIP+4 Code. So, you get much more than a pretty 9-digit ZIP Code; you get a clean, standard address. Clean, standard addresses are easy to sort and compare. Comparing a table of standardized, verified addresses allows you to identify duplicates, delete redundancies or merge records easily.
  • Enriched Address Data — When you give Smarty an address and ask for the ZIP+4 Code, we give you the ZIP+4 Code along with the validated, standardized address. We also provide up to 45 data points about the address, including county information, lat/long coordinates, time zone, whether the address is residential or commercial, and more data that can be used for business intelligence and to understand your mail recipients better.

That’s right. Your mail can show up faster, cheaper, and more reliably if you label things right, plus you get less returned mail. Bet you’re scrambling to look up those full ZIP Codes now. Grab those extra 4 digits now.

How ZIP Codes Became 9-Digit-ZIP Codes

Fully understanding the last four digits of ZIP Codes requires knowing about 5-digit ZIP Codes too.

These are the codes you know. They look like this.

The Zone Improvement Plan (ZIP) was something the USPS came up with to make it easier to ship letters and packages across the country. ZIP helps divide the country into different «zones» according to the distribution of mail, which accelerates sorting and delivery.

On July 1, 1963, the Post Office Department launched the Zone Improvement Plan. At the same time, they introduced the world to Mr. ZIP or «Zippy.» Zippy is the official ZIP Code mascot pictured on our ZIP Codes 101 page. They also released the ZIP Code jingle:

Your browser does not support the audio element.

As the US population has increased and scattered since 1963, it’s been necessary to expand the system to make room for everybody and their dog. That’s where the «plus 4» part comes in. We’re getting ahead of ourselves, so let’s start with the basics.

If you’re mailing a letter from Boston to Seattle, the mail carrier in Massachusetts doesn’t care what the street address of the destination is. It’s what you might call «outside his jurisdiction.» He just needs to know which mail carrier to send it to so the appropriate mailperson can get it to the address.

A postal worker can only cover so much ground on a given day. And since the USPS has a standard of delivering in the rain, sleet, or snow, that rules out the possibility of doing the service of delivery in stages (some today, some tomorrow). That means any given post office only serves what it can reach in a day. ZIP Codes reflect that.

Typically, a ZIP Code ties to a post office; by that, we mean every one of the latter has one of the former. You might think of ZIP Codes as a mailing address for a particular post office. Some handle more than one ZIP Code, but a one-on-one game plan is a standard.

It’s essential to note that ZIP Codes aren’t «boundaries.» They’re a collection of delivery routes. They don’t follow geographic or administrative boundary lines; they can cross city, county, and state
lines. They follow where the delivery trucks go.

Some ZIP Codes are a bit different in function. Among them are «military» ZIP Codes, which include everything
from military bases (domestic or otherwise) to battleships at sea. Then there are «unique» ZIP Codes. Businesses and organizations sometimes get a dedicated ZIP Code that they don’t have to share with anyone due to the volume of mail they send and receive.

These frequently benefit from bulk mailing discounts since the organization usually has a mail department that (1) presorts mail before giving it to the USPS and (2) distributes mail internally, so the USPS doesn’t have to. Like standard ZIP Codes, «military» and «unique» ZIP Codes circumscribe their delivery area. For a more in-depth guide, visit our ZIP Codes page.

ZIP+4 Code Database

For many users, the best way to access the USPS ZIP+4 database is through a CASS Certified USPS address validation vendor. Like Smarty. Since the last four digits of ZIP Codes update frequently, even month-old data isn’t reliable. Checking addresses regularly against the database will ensure your data remains clean.

The ZIP+4 Code database can be accessed free directly through the USPS site or the USPS address validation API. In our USPS APIs article, you will find a comprehensive list of uses and limitations of the USPS web-based tool and API.

What Is My Full ZIP Code?

If you need an answer to, «What is my ZIP Code with the extra 4 digits?» Just click one of the buttons at the top of the page, enter your address, and get your +4 code instantly. That was easy!

The quiz will include three things:

  1. ZIP+4 Codes indicate delivery routes.
  2. Using ZIP+4 Codes gets your mail there faster and more accurately.
  3. We at Smarty can get you those codes.

If you want to try it on a single address, you can now use our Single
Address Verification Tool. Our blindingly fast US Address
Verification API provides the appropriate ZIP+4 Code for every address we process.

Or you could call us instead if you’d rather talk to an actual person. (We’d offer a fake
person, but we don’t have one of those on staff.) Either way, we can help you ZIP your address and ZIP
it well.

USPS track package in Russia


Acceptance Reception
Customs Clearance Customs clearance
Processed Through Facility Machining
Arrived at USPS Facility Arrived at USPS Facility
Pre-Shipment Info Sent to USPS Prior to shipment, information sent to USPS
Arrived at Facility Arrivals at site
Shipping Label Created Label Created by
Departed USPS Facility Left USPS facility
Accepted at USPS Origin Facility Accepted by USPS Source Fund
Customs clearance processing complete Full processing customs clearance
Departed Post Office Left Post Office
Arrived at USPS Origin Facility Arriving at USPS Source Foundation
Departed Shipping Partner Facility
Shipment Picked Up Shipping Took
Picked Up Took
Arrived Shipping Partner Facility
Attempted Delivery Abroad Overseas Delivery Attempt
Arrival at Post Office Arrival at the post office
Arrived at Unit Profits per unit
Delivered Delivered
Arrived at post office Arrived at the post office
Shipment Accepted Cargo Accepted
Attempted Delivery — Item being held, addressee being notified Delivery attempt — item is in transit, notification destination
Departed USPS Destination Facility Has departed the destination of the USPS object
Delivered, Parcel Locker
Arrived at USPS Destination Facility Arrived at the destination of the USPS object
Delivered, Front Desk/Reception
Notice Left (No Authorized Recipient Available) Pay Attention Left (No Receiver Available)
Inbound Out of Customs Incoming from customs
Incorrect Address — Addressee’s address being verified Invalid address — address\\destination\’ is being checked
Released from US Customs US Customs Released
Delivered, To Mail Room
Processing Exception Processing Exception
Collect for Pick Up
Delivered, In/At Mailbox Delivered, I/O Mailbox
Sorting Complete Full Grading
Insufficient Address Insufficient Address
Accepted at USPS Destination Facility Accepted at the destination of the USPS object
Tendered to Military Agent
Addressee requested later delivery — Item being held at addressee’s request The addressee requested a follow-up delivery — the item passes to\\addressee\’s request
Delivered, To Agent Delivered, Agent
Addressee not available — Will attempt delivery on next working day
Unclaimed/Max Hold Time Expired
Picked Up by Shipping Partner, USPS Awaiting Item Delivery partner selected, courier waiting for goods
Missed delivery — Scheduled for another delivery attempt today
Incorrect Address — Item returned to sender
Departed USPS Origin Facility Departed to USPS Source Foundation
Moved, Left no Address Moved without leaving address
Shipping Label Created, USPS Awaiting Item Delivery created, courier waiting for item
Incorrect Address — Item forwarded / redirected
Does not meet customs requirements — Return to Sender
Return to Sender Return to sender
Delivered, Garage or Other Location at Address
Addressee requested later delivery — Will attempt delivery on next working day Recipient requested delivery later — next business day delivery attempt
Undeliverable as Addressed Undelivered how to solve
Pre-Shipment Info Sent to USPS, USPS Awaiting Item Before shipment, the information is sent by the courier, the courier is waiting for item
No Access
Addressee not available — Scheduled for another delivery attempt today
Processing Exception, Regional Weather Delay Processing Exception, Regional Weather Delay
Held at Delivery Depot/Delivery Office
No Such Number No such quantity
Addressee Unknown
Departed Shipping Partner Facility, USPS Awaiting Item The delivery partner has left, the courier is waiting for the goods
Acceptance (SSK)
Notice Left
Delivered, To Original Sender Delivered, Original Sender
Delivered, PO Box
Addressee cannot be located — Scheduled for another delivery attempt today
Return to Sender Processed Return to sender processed
Available for Pickup Available for pickup
Arrived at Hub Arrived at hub
Unclaimed — Item returned to sender
Arrival at Pick-Up Point
Held in US Customs
Held in Customs Spent at customs
Addressee requests own pick-up — Item being held, addressee being notified
Notice Left (No Secure Location Available) Pay Attention Left (No Safe Place Available)
Origin Post is Preparing Shipment Origin Post Preparation Shipment
In Transit to Destination En route to destination
Dispatched from USPS International Service Center
Missed delivery — Will attempt delivery on next working day
Item refused by addressee — Item returned to sender Goods not accepted by recipient — return of goods to sender
Depart From Transit Office of Exchange Depart from transit office of exchange
Payment of charges — Item being held, addressee being notified Payment of expenses — item passes, addressee of notification
Business Closed Case Closed
Redelivery Scheduled
Accepted at USPS Facility Accepted at USPS
Held at Post Office, Retrieved from full parcel locker
Item wrongly directed — Item forwarded / redirected Item erroneously forwarded — item play redirected
Arrival at Transit Office From Exchange Arrival at the transit office from Exchange
Delivered, Individual Picked Up at Post Office
Forwarded Forwarded
Delivery status not updated
Attempted Delivery — Scheduled for another delivery attempt today Delivery attempt — scheduled for another delivery attempt today
Tendered to Postal Service Tender for postal services
Departed Departed
Delivered, Left with Individual Delivered, left with individual
Item damaged — Item not delivered — Item being held, addressee being notified
Delivered, Individual Picked Up at Postal Facility
Arrived Shipping Partner Facility, USPS Awaiting Item Delivery partner has arrived, the courier is waiting for item
Held at Post Office, At Customer Request
Delivered, Front Door/Porch
Attempted Delivery — Item forwarded / redirected
Arrived Arrived
Out for Delivery For delivery
Pre-Shipment Info Sent to USPS, USPS Awaiting Item. The U.S. Postal Service was electronically notified by the shipper on August 24, 2017 to expect your package for mailing. This does not indicate receipt by the USPS or the actual mailing date. Delivery status information will be provided if/when available.
In Transit to Destination. The item is currently in transit to the destination as of September 1, 2017 at 9:52 am.
Transit to destination
Departed USPS Regional Facility
Arrived at USPS Regional Facility
A shipping label has been created. Waiting for the receipt of a shipment from the sender
Delivered, Front Door/Porch. Your item was delivered at the front door or porch at 4:39pm on August 17, 2017 in PINOLE, CA 94564.
Arrived at Post Office
Arrived at USPS Regional Destination Facility
Arrived at USPS Regional Origin Facility
Accepted at USPS Regional Origin Facility
Item Accepted/Picked Up for Initial Processing
Received by addressee
Delivered to addressee
Arrived at the place of delivery
Left sorting center
Left the place of international exchange
Transferred for delivery in Russia
Left the transit point of international exchange
Customs issued
Reception at customs
Handed over to customs
International mail import
Arrived in Russia
Accepted at the post office
Departed. Your item departed a transfer airport in DOMODEDOVO, MOSCOW, RUSSIAN FEDERATION on September 25, 2017 at 3:46 pm. The item is currently in transit to the destination.
Left waypoint
Processing completed
Arrived at warehouse
Picked Up by Shipping Partner, USPS Awaiting Item.
Shipping Label Created, USPS Awaiting Item. A shipping label has been prepared for your item at 12:56 pm on September 29, 2017 in JOSHUA, TX 76058. This does not indicate receipt by the USPS or the actual mailing date.
In Transit to Destination. The item is currently in transit to the destination as of October 9, 2017 at 9:18 am.
Left the partner’s warehouse. USPS waiting to receive shipment
Arrived at the partner’s warehouse. USPS waiting to receive shipment
Accepted by shipping partner. USPS waiting to receive shipment
Sorry — we don’t recognize that reference number. Please check your reference number or try again later – it takes 24 hours for them to appear in our system.
In Transit to Destination. The item is currently in transit to the destination as of October 2, 2017 at 9:55 am.
Processed Through Facility. Your item has been processed through a facility in FUZHOU EMS, CHINA at 3:40 pm on September 29, 2017.
Sent from Fuzhou to next destination
Despatch from Sorting Center
Sent from Fuzhou速递国际(站台) to 福州市邮件处理中心
Accepted at the post office
Arrived at Hub. Your item arrived at the Hub at 6:39 am on October 9, 2017 in LUBBOCK, TX 79408.
Arrival at Delivery Office
Arrival at Sorting Center
Shipping Label Created, USPS Awaiting Item. A shipping label has been prepared for your item at 7:38 pm on May 29, 2017 in ARLINGTON, VA 22203. This does not indicate receipt by the USPS or the actual mailing date.
Delivered, Left with Individual. Your item was delivered to an individual at the address at 11:43 am on July 18, 2017 in ST THOMAS, VI 00802.
USPS in possession of item
Pre-Shipment Info Sent to USPS, USPS Awaiting Item. The U.S. Postal Service was electronically notified by the shipper on August 2, 2017 to expect your package for mailing. This does not indicate receipt by the USPS or the actual mailing date. Delivery status information will be provided if/when available.
Delivered, Left with Individual. Your item was delivered to an individual at the address at 11:52 am on August 29, 2017 in ST THOMAS, VI 00802.

USPS Tracking — Track your USPS packages and mail

USPS is the official US postal service. FedEx and UPS immediately compete with USPS Express Mail and package couriers to deliver urgent letters and packages across the country. Due to the USPS monopoly, other U.S. couriers are not allowed to deliver non-urgent letters and mail them to U.S. mailboxes in residential and other offices.

Ship24 offers USPS tracking by simply entering your USPS tracking number on the homepage. Get real-time updates on the events of your packages and follow their journey to your doorstep with Ship24.


USPS tracking number

USPS Parcel Service

USPS Shipping

How can I track a USPS package?

USPS packages can be tracked using your USPS tracking numbers, which are assigned when you register your package. You can use your USPS tracking numbers on the official tracking website or on a third party tracking system like Ship24.

While USPS tracking can only track USPS packages, Ship24’s universal tracking system makes tracking packages a breeze. Ship24 constantly connects and scans hundreds of couriers and even more online stores, ensuring that you are always aware of any changes to your USPS package. it can perform global tracking efficiently regardless of the courier.

Businesses that ship their packages to USPS competitors, including China Post, Canada Post, FedEx, UPS, and DHL, no longer need to visit these separate websites to track their packages. Indeed, buyers no longer need to use USPS tracking services and are flocking to the one-stop tracking store — Ship24.


USPS Tracking Mail

USPS International Tracking

USPS Tracking Procedure

How can I track my USPS international package?

USPS international packages can be tracked with a one-stop tracking solution. Ship24 does just that. You can enter your USPS international tracking number on the homepage and within seconds, Ship24 will provide you with all the tracking information you need for your package, whether domestic or international. The great thing about tracking your USPS international package on Ship24 is that you can track up to 10 packages at a time.

Although USPS has tracking services as part of its operations, packages delivered by USPS are not just handled by the company, but are increasingly delivered by other couriers hired by the company. Thus, packages handled by the US Postal Service may be sent through different couriers on their way to their final destination.

Any number of handlers deliver packages for USPS depending on the destination of the package and the size and weight of the package in certain circumstances. Consequently, the tracking options available with USPS are sometimes inconclusive for individuals and businesses that need the best possible tracking options for their company shipments.

Ship24 automatically detects couriers delivering any USPS packages based only on the USPS international tracking number you provide. The truth is that parcels travel a complex path during their journey as they can be handled by many different couriers and possibly with changing tracking numbers.

Ship24’s Universal Tracking System is designed to handle these shipping changes so you stay up to date with any changes your USPS package is about to make. You don’t have to choose which courier to use, even if you specifically used USPS, as Ship24 interprets your tracking code and determines where your package is and who it is with. Indeed, our main sources of tracking data are continuously monitored to ensure that you receive the best possible tracking information.

What is the USPS tracking number format?

A USPS tracking number is a shipment tracking number, or a unique identifier, that is assigned to each USPS package shipped by courier. This number will only be used by USPS.

Any USPS tracking number for any package is unique and consists of 20-22 digits with no letters or with two letters at the end. Please see some examples of USPS tracking numbers provided. Below you can see examples of different USPS tracking numbers for different types of services.

Please be aware that USPS Express Mail tracking numbers are 13 characters long, starting with two letters and ending with «US».

USPS Tracking Number Format Examples

  • USPS Tracking: 9400 1000 473859400 0000 00
  • Priority mail: 9205 5000 04938495069000 00
  • Certified Mail: 9407 3000 00374859489500 00
  • Pick up on delivery Hold for pickup: 9303 3000 00047380795310 00
  • Global Express Warranty: 82 0005748300
  • Priority Mail Express International: EC 000 4839600 USA
  • Express Mail Priority: 9270 1000 00030291869580 00
    EA 000 000 000 USA
  • Priority Mail International: CP 000 000 000 USA
  • Registered mail: 9208 8000 20194859430000 00
  • Signature Confirmation: 9202 1000 0059438271300 00

Can I track my USPS package using the Tracking API?

Yes. Companies that want to take their USPS tracking to the next level are choosing Ship24, a powerful all-in-one multi-courier tracking API with built-in AI machine learning and a dedicated, best-in-class support team.

Ship24 offers a range of tracking API packages to suit your business with fast integrations within minutes. The Ship24 Tracking API is an all-in-one tracking solution for your business, providing accurate end-to-end location and status tracking as close to real time as possible.

Benefits of the Ship24 Tracking API

  • True end-to-end tracking capability.
  • Continuous 24/7 tracking of your call.
  • Access to over 1200 couriers, with new couriers being added to our system all the time.
  • Ultra-fast integration: enjoy integration in minutes and check out our documentation.
  • AI-enabled data: Tracking number pattern recognition and smart discovery included as standard.
  • Auto courier detection: Ship24 instantly determines which couriers to use based on tracking number only.
  • True End-to-End Tracking: Seamlessly track your packages with multiple couriers, even if tracking numbers change.
  • High-Quality Support: Use a responsive internal support team with Enterprise SLA/Dedicated Account Manager options if required.
  • 24/7 continuous data quality monitoring.

In this new era of digital evolution, as e-commerce has grown exponentially and become international, tracking APIs have become an essential tool for businesses that require tracking API systems for shipping. Whether your business needs a business-to-customer (B2C) or business-to-business (B2B) tracking API, the Ship24 Tracking API offers global shipping tracking functionality in a single call. Take your USPS tracking to the next level with the Ship24 Tracking API.

The Ship24 Tracking API can effectively track your UPS package wherever it goes around the world as long as it is registered mail. Using Ship24 means using the functionality of the market leading tracking API.

Logistics is hard, so Ship24 makes it easy. The Universal Tracking System is equipped with auto discovery, AI machine learning and 24/7 data quality monitoring to ensure you have all the data. Ship24 is your one-stop tracking solution with the idea that we do the hard work so you don’t have to. Check out the USPS Package Tracking API package offerings.

Has USPS changed international services in its packages?

USPS recently made some changes to the names of international service options to be aware of for customers wishing to use USPS services.

USPS International Options

The following changes are listed below to inform consumers when deciding whether to purchase USPS package delivery:

  • Airmail, also known as Letter Post, is now First Class Mail International. This type of mail covers small packages up to four pounds or 1.8 kilograms.
  • Airmail has been replaced by Priority Mail International (PMI).
  • US Parcel Service — Supplied PO Boxes for Priority and Express Mail can now be used for international use.
  • Global Express is now Express Mail International and Global Express Guaranteed remains unchanged.
  • Post economy package is discontinued.

Please note that the above is subject to change. Ship24 can track all registered mail, regardless of the courier. Companies can also take advantage of direct access to the Ship24 tracking API, which also covers multiple couriers and includes global tracking services, directly into their system after integration.

Do USPS packages use subcontractors for their international packages?

When it comes to global tracking of your USPS packages, buyers should be aware that packages may travel with multiple subcontracted couriers at certain locations, depending on the shipping route, the weight and size of the package, or a number of other factors.

Therefore, getting the latest location of your package is not always possible with USPS tracking. But Ship24 specializes in tracking shipments and therefore has the advantage of USPS tracking.

Go to the Ship24 website to see yourself and get instant location information and real-time status tracking.

How do I get free USPS shipping?

If you buy USPS shipping directly from a carrier, you will need to pay for the service you require. In this case, there are no free shipping options available. However, if you purchase from a marketplace or online retailer that ships via USPS, the cost of shipping via USPS may be covered by the business or seller.

If so, you should be aware that you are not responsible for any USPS shipping charges at the time of purchase. Many marketplaces and businesses offer free shipping on USPS packages to encourage the purchase of their product.

Can you track USPS free shipping?

Whether you’re buying USPS package shipping directly or if the item you’re ordering includes free USPS shipping, you can always track your USPS order with Ship24. All USPS orders are registered, which means they will be assigned an official USPS tracking number, and you can use that number to track your USPS package on the Ship24 website.

Many people choose Ship24 when tracking USPS packages because the postal operator often works with several other private couriers and logistics operators, especially when it comes to international shipping.

For example, if you are ordering goods from Europe and are in America, often the first part of your package’s journey will be first processed by a European courier company (for example, from a warehouse or store where it is picked up from), before traveling abroad with a logistics company (whether either by sea or by air), until the USPS is received in the United States and delivered to them.

The same applies if you are shipping from the US (or ordering from the US), but in this case USPS takes care of the first part of the journey.

With Ship24 you don’t need to know who and when will handle your package or at what stage of the journey it will change hands. Using only a USPS tracking number, Ship24 can recognize and trace your package no matter how many times it has changed hands.

Does Ship24 offer incremental USPS promotions?

Like many tracking systems, Ship24 notifies you as soon as you enter your USPS tracking number on the website. If you need step-by-step instructions on how to ship or promote USPS packages, you can get the latest status and location information on the Ship24 web page. A business or individual who wants to instantly know the latest information about their package, with automatic tracking number detection, including absolutely free, simply needs to enter the tracking number that they received with the first purchase.

Any buyer who buys should be aware that Ship24 is just a tracking tool and is not responsible for the handling of packages by the courier. If a package is lost, damaged, or has any other issues with any package handled by the courier, customers are advised to contact the courier — in this case, USPS — directly. If you have any problems with a shipment, please find a USPS contact where the request can be made directly to the courier.

US Postal Service Customer Service

Please see courier details below:

  • Landline Customer Service at 1-800-222-1811
  • Via USPS
  • mobile app

  • By texting your USPS tracking number (which can be found in your purchase confirmation email or login profile on the marketplace where you made your purchase) in message

Find all the information you need in the «Contact Us» section of the USPS website for more information if you need it.

The courier is ultimately responsible for making any updates and adding the latest events. Once shipping tracking information is available, Ship24 will provide you with the latest tracking information possible. The fastest way to access these tracking events is through Ship24’s universal tracking system.

Are USPS package updates the best way to get updates?

While other tracking API systems may vary in response time, Ship24 offers a response time for up-to-date tracking information as close to real-time as possible. This is facilitated by its tracking excellence as Ship24 connects with over 1200 couriers and thousands of different stores.

Ship24 makes it easy. When or if a package changes courier or even tracking number, whether it’s handled by major couriers like FedEx, UPS, USPS, DHL or others, Ship24 tracks location and status 24 hours a day, 7 days a week.

Does USPS ever make a mistake when sending a package?

USPS, as well as other couriers and processors, may encounter problems with package delivery. There are many different reasons why packages can’t be delivered on time or even can’t be delivered from time to time. Problems don’t always necessarily come down to the courier. This may be due to an incomplete address provided by the seller, damage to the packaging, or a number of other reasons.

If you have a problem with your USPS package, you need to contact the courier directly. Ship24 tracking can detect the latest information about the status and location of your package. Regardless, any tracking updates are available on the shipping tracking system provided by Ship24.

What are USPS Tracking Notices?

When you enter a USPS tracking number into the tracking site, all updates will eventually be provided by the USPS shipping service, but you can track all of them through the Ship24 tracking web page. By the way, it is worth considering what status updates from USPS mean.

USPS tracking notifications/status

In order to effectively understand the USPS batch event update, the USPS tracking notification is as follows:

Notifications/Status Description
Shipping Label Created, USPS Awaiting Item Package label has been made and will be submitted to USPS shortly.
Arrived at Post Office Parcel is at the local office and ready for delivery.
Arrived at USPS Regional Facility The package has reached a regional facility or distribution center.
Departed USPS Regional Facility The package has left the regional facility or distribution center.
Arrived at USPS Facility The package reached one of the USPS facilities.
Processed Through Facility The parcel has been processed or registered at the facility and is ready to be sent abroad.
In Transit to Next Facility The parcel is on its way to another object.
Arrived Shipping Partner Facility, USPS Awaiting Item Package has been picked up by a third party courier and will shortly be delivered to USPS for final delivery.
Departed Shipping Partner Facility, USPS Awaiting Item Parcel has left third party courier and is on its way to USPS for final delivery.
Out for Delivery The package is being delivered.
Out for Delivery, Expected Delivery by The parcel is being delivered and will be delivered at the specified time.
Delivered, In/At Mailbox Mail, postcard or package is in your mailbox and delivered to you.

What does «Warning» mean in my tracking status?

If the USPS tracking notice says «Warning», it means your package will be delayed due to inclement weather or natural disasters in the area. When this happens, check the USPS Service Alerts.

Where can I find my USPS tracking number?

The USPS tracking number can be found at the following locations:

  • USPS shipping receipt.
  • Your email address for confirmation.
  • On the packaging itself.
  • If you are the recipient, you can request it from the sender.
  • Text message to the phone number you provided to USPS.

Track up to 10 packages using your USPS tracking number on the Ship24 home page. Ship24 can scan over 1200 couriers around the world and provide you with fast and reliable information about your packages.

How long does it take to ship a USPS package?

There is no exact estimated delivery time for USPS packages, as the volume and location of packages may vary. However, all USPS packages are considered delivered by 5:00 pm local time, Monday through Saturday, with the exception of Priority Mail Express and Amazon packages, which are delivered on Sundays.

Below is an estimated delivery time for each service:

USPS Services Delivery time
First Class Mail 1 to 5 working days
First Class Package Service 1 to 3 working days
Priority Mail 1 to 3 business days
Priority Mail Express 1-2 days (usually delivered on Sunday)
USPS Retail Ground 2 to 8 business days
Media Mail, Bound Printed Matter, and Library Mail 2 to 8 business days
package Select and package Select Lightweight 2 to 9 business days

You can use your USPS tracking numbers to track your USPS packages on Ship24 by entering up to 10 USPS tracking numbers on the home page. Ship24 will show you the current status and events of your packages so you can be with your packages every step of the way.

How do I send USPS parcels under the EU IOSS import system?

The European Union has introduced new EU VAT taxation rules along with a new optional import scheme. The VAT changes mean that all goods imported into the EU will be subject to VAT, while previously goods of €22 and below were exempt from tax.

A new import scheme has also been introduced, called the Single Window Import Scheme (IOSS). While this scheme is optional and only applies to goods imported into the bloc with a value of €150 or less, IOSS-registered businesses will benefit from faster shipping, greater VAT transparency, and the possibility of EU consolidation. broad VAT payments in one payment in the country in which they are registered.

Non-EU US businesses, especially those using the USPS, will not be able to register for the scheme with the EU tax authority (to which they will make a consolidated monthly VAT payment) directly and must do so through the IOSS intermediary, which is based in one of the 27 EU countries.

Ship24 is authorized to offer complete IOSS Intermediary Solutions and many companies and marketplaces around the world choose us because of our extensive experience in the shipping industry.

USPS IOSS number registration

Registering with us as a financial intermediary with IOSS will provide your business with the following benefits:

  • Best-in-class support for EU IOSS compliance.
  • Priority customs clearance for the fastest possible delivery of imported goods.
  • Complete transparency with the VAT prepayment system, eliminating hidden costs.
  • Single VAT payment to one IOSS agent for sales within the EU.
  • Double check system for VAT returns as part of our services.
  • Competitive pricing.

Switching to IOSS is quick and easy with Ship24, shipping from IOSS in just 2 days! Start enjoying the benefits that IOSS registration brings to your business and customers.

How do I complain about a USPS package?

While Ship24 can help with all your USPS tracking needs internationally, if you have a problem handling your package or courier, you should contact USPS directly. Ship24 can offer you the latest status and location updates. But, if your package is stuck, delayed or there is another problem, contacting the courier directly is the best solution to solve your problem.

How do I enter my USPS tracking number into the Comprehensive Tracking System?

When looking for a USPS package, what many people don’t know is that there are companies that can provide all the tracking information they need with just their tracking numbers. Likewise, many are unsure whether independent tracking companies can not only track packages everywhere, but also track multiple couriers at the same time from the same system.

Fortunately, you don’t need a USPS degree in shipping and tracking to know what to look for. However, actually tracking a business shipment is easier than ever! Ship24 offers one of the best all-in-one monitoring options and will update you with the latest location and status information when available.

Ship24 tracking offers a step forward, so anyone who wants to sit back and relax knowing that all information about their package is available at their fingertips is guaranteed.

Where can I get the best USPS universal tracking?

The path that a package takes, especially for international delivery, is a complex and lengthy logistics operation. packages may be handled by multiple carriers under different tracking codes when crossing international borders.

That’s why we’ve made our tracking system capable of handling the variables that might come up in the shipping industry, because that’s our area of ​​expertise, after all. We do the hard work of finding and communicating information 24 hours a day, 7 days a week.

Can Ship24 tracking speed up shipping?

Some buyers often track their packages through USPS, however, the best way to track packages is through the Ship24 website because not only does it offer automatic multi-carrier tracking by tracking numbers, but the information provided by the Universal Shipping Service is one of the leaders market on the market.

For example, if an order goes through a number of processors, sometimes the latest tracking information is not available. This is where Ship24 offers a superior service by linking with multiple carriers to get the latest updates, allowing you to get the most accurate real-time updates.

Why is my USPS tracking number not updating?

When a USPS tracking order or package is not updated, it may be because the package has been registered for a tracking number but USPS has not yet received the package. Another case could be that the USPS received the package but did not scan it. Please wait a few hours before tracking your package again.

Also double check the tracking number you entered. In some cases, a missing or incorrectly typed letter or number can affect the results of your package being tracked.

If tracking is still not available after a few days, shipping issues may occur. In this case, it is best to contact USPS Customer Service for assistance.

Does USPS deliver on Sundays?

In an age where all services are available 24 hours a day, 7 days a week, USPS is known for its weekend deliveries. On Sundays, USPS delivers USPS Priority Mail Express (USPS Overnight) and Amazon packages. When choosing USPS Priority Mail Express, expect your packages to be delivered by 10:30 AM and by 6:30 PM at the latest.

Track your USPS packages with Ship24 to get real-time information about the current location or status of your package. Track up to 10 parcels at the same time and get results in seconds.

How do I contact USPS Tracking Customer Service?

For questions, requests, problems, or feedback, USPS Customer Service is here to help. You can contact them in several ways.

USPS 9 Customer Service0923

If you would like to contact them via their Email. address, select one of the options on their website and you will be redirected to another page where you can select the topic you are interested in.

USPS Contact Number

You can also contact their support team for tracking on this phone number:

  • 1-800-222-1811 (Monday to Friday 8:00 am to 8:30 pm ET and Saturday from 8:00 to 18:00)

What is the United States Postal Service (USPS)?

The United States Postal Service (USPS) is America’s leading postal and parcel service that first began serving customers back in the 1700s after the Post Office was established under the Postal Service Act.

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