
With the US Mail package tracking system, you can stay on top of your package's journey from pickup to delivery. The US Mail scans packages at multiple points along the way, providing regular updates on their status.
You can track your package by entering its tracking number on the US Mail website or through their mobile app. This will give you access to real-time updates on the package's location and delivery status.
The US Mail typically scans packages at the time of pickup, at the processing facility, and at the delivery location. This helps ensure that packages are delivered quickly and efficiently.
Package Preparation
To prepare a package for US mail tracking, you'll want to make sure it's properly packaged and labeled. The weight of a package should be accurate, as this affects shipping costs.
A clear and legible address is essential for successful delivery. This includes the sender's and recipient's addresses, as well as any relevant handling instructions.
Make sure to affix the correct postage to your package, as the amount of postage affects tracking and delivery.
How to Package?

You can track your US Mail Service package by entering the tracking number into their website, where you'll get the latest status and can even request emails or text messages about your item.
If you don't feel like typing in that long tracking number, you can opt to track your package by phone by calling 1-800-222-1811.
First Class
First Class is a popular mail service for sending small packages and letters within the US and internationally. The rate for sending a First Class Mail within the US is $0.49 for the first ounce.
You can send First Class Mail International to over 180 countries, and it's an affordable way to send mail and small packages weighing four pounds or less. Deliveries generally take between 7–21 days to arrive, although the US Mail Service does not guarantee delivery dates or times.
First Class Package International Service shipments offer free US Mail Service Tracking for select destinations. The service is available for packages weighing up to four pounds, making it a great option for sending small items.

The US Mail Service offers both domestic and international services, including First Class Mail, which is a reliable and affordable way to send small packages and letters. The rate for sending a First Class Mail within the US is $0.49 for the first ounce, with $0.21 for each additional ounce.
Tracking Your Deliveries
Tracking your US Mail Service package is a breeze. You can do it through the official USPS website or mobile app, or use a third-party tracking platform like AfterShip Tracking Page.
To get started, you'll need to enter your tracking number, which can be found on the shipping receipt, confirmation email, or the package label itself. This unique 22-digit number will give you access to your package's status and progress.
You can track your package in real-time, from the moment it's shipped to when it's delivered. If you're using USPS Ground Advantage, you can even track your package end-to-end, from the time it's sent until it reaches its destination.

If you're wondering where your package is, you can enter your tracking number into the USPS website and click on "Track Package" to view the scan history and status information.
Here are some common tracking states you might see:
- DELIVERED, IN/AT MAILBOX
- DELIVERED, PARCEL LOCKER
- DELIVERED
- DEPARTED USPS FACILITY
- IN TRANSIT TO DESTINATION
- ARRIVED AT USPS FACILITY
- ARRIVED AT HUB
- ARRIVED AT UNIT
- ACCEPTANCE
Remember to enter your tracking number without dashes or spaces for the best results. And if you're still having trouble tracking your package, you can always contact USPS customer service for assistance.
Tracking Methods
You can track your USPS packages through various methods. To start, you can use third-party tracking platforms like AfterShip Tracking Page, which offers a convenient tracking experience.
If you prefer to use official channels, the USPS tracking service website provides three different methods to track USPS parcels. You can track USPS packages with AfterShip Tracking Page, track USPS packages on the official website, or use the USPS Mobile app.
To track your USPS package, you can also use Ordertracker, a universal tracking website that accepts any international tracking number.
Intelligent Barcode Tracing

The Intelligent Mail Barcode (IM barcode) is a 65-bar barcode for use on mail in the United States.
The IM barcode is used to sort and track letters, cards, and flats, and it offers greater versatility by allowing many services to be requested and embedded within one barcode.
IMB tracking numbers starting with "0031" can be tracked with Pitney Bowes.
The Intelligent Mail barcode is intended to provide greater information and functionality than its predecessors.
IMb Tracing reports the date, time, location, and processing information for each mail piece each time the mail runs on automated equipment.
Ground
USPS Ground services offer tracking options for your convenience. You can track your packages through the USPS website, the USPS Mobile app, or third-party platforms like 17TRACK.
USPS Ground Advantage includes end-to-end tracking, allowing you to monitor your shipment from start to finish. This feature is especially useful for packages that are too large for Priority Mail Express and Priority Mail delivery.
Retail Ground, another USPS service, also offers tracking capabilities. However, it's only available at US Mail Service Post Offices.
Package Delivery

Package delivery is a complex process, but I'll break it down for you. US Mail Service shipping starts with the seller bringing the package to the local post office or a mailbox, which can happen daily for big companies like Amazon, but only once or twice a week for smaller companies or private sellers.
Packages are then taken by a postman and shipped to a mail sorting facility via trucks. Here, machines automatically sort packages by shape and size, and even read addresses automatically. This process can take some time, which is why international packages take longer to arrive.
US Mail Service offers different tracking options for packages, including third-party tracking platforms like AfterShip and the official USPS website or mobile app. You can also use the Track & Confirm tool for Global Express Guaranteed and Priority Mail Express International packages.
The cost of sending a package with US Mail Service depends on the mail class and weight. For First Class Mail within the US, the rate is $0.49 for the first ounce, with an additional $0.21 for each extra ounce.
First Class International

First Class International is an affordable way to send mail and small packages weighing four pounds or less to international destinations.
Deliveries generally take between 7–21 days to arrive, although the US Mail Service does not guarantee delivery dates or times.
Mail may travel to its destination by ground, air, or a combination of both.
The rate for sending a First Class Mail within the United States is $0.49 for the first ounce, as of 2014.
Each additional ounce is charged $0.21, making it a cost-effective option for small packages.
Full package tracking is available in over 41 countries with US Mail Service First Class Package International.
This means you can keep up with your international shipment with US Mail Service International Tracking.
Free US Mail Service Tracking is available for select destinations for First Class Package International Service shipments.
Package Delayed: What to Do
If your package is delayed, the first step is to check the tracking updates for new delivery estimates. This will give you a better idea of when your package is expected to arrive.

Delivery time varies depending on the mail class, so it's essential to check the delivery standard for your package. You can find this information by entering the US Mail Service Tracking number and looking up "Product Information."
If your package is still in transit after a few days, it's likely not lost or delayed. However, if you're concerned about the status of your package, wait 24-48 hours to see if there are any updates.
You can find the Mail Delivery Standards chart in the "Delayed mail and packages" section, which outlines the delivery standards for various mail classes. This chart will indicate when your item should be delivered by and when you can contact customer assistance with a concern.
If your package has a status of "Alert", it may have been delayed due to weather-related or other natural disasters. In this case, check the US Mail Service Service Alerts first to see if there's any information about the delay.
If you've checked the tracking updates and there's still no progress after a few days, it's time to contact USPS. You can email or call customer service with your concern, but be sure to check the delivery standard chart first to see if your package is still in transit.
Here's a quick checklist to help you navigate a delayed package:
- Check tracking updates for new delivery estimates.
- Wait 24-48 hours to see if there are any updates.
- Contact USPS if no progress is shown after a few days.
Priority Domestic

Priority Domestic is a great option for those who need quick delivery. US Mail Service Priority Mail is a fully tracked service, offering full visibility of your package from drop off to delivery.
It's quick, too - delivery times range from 1 to 3 business days, depending on your location. This is one of the quickest mail delivery services of US Mail Service for urgent documents.
Flat rate charges start at $6.65, making it a cost-effective option. Very on destinations, so be sure to check rates for your specific area. In most states, they can deliver overnight before 10 AM.
Package Issues
If your US Mail Service package hasn't been delivered, check the delivery standard for the mail class of your domestic item by entering the tracking number and looking up "Product Information." Compare this to the Mail Delivery Standards chart to see if the package is still in transit or if there's a delay.

You should wait for the delivery time specified in the chart before contacting customer assistance. If the package has a status of "Alert", it may be due to weather-related or other natural disasters, so check US Mail Service Service Alerts first.
If your package is lost or stolen, check if it comes with built-in insurance, such as Priority Mail services, and file a claim if approved. You can also file a missing mail search request or contact US Mail Service directly at 1-800-275-8777.
There are several reasons why tracking may not be updating, including:
- Package Not Scanned: If the barcode is not scanned, tracking won't update until it is.
- Weather Conditions: Bad weather can cause packages to get stuck in transit.
- Packages are not scanned at intermediary stops: Sometimes, packages aren't scanned at stops along the way.
- Broken or Unscannable Barcode: If the barcode is damaged, it won't be scanned properly.
- Delay on the part of the carrier: The carrier may be experiencing delays that prevent tracking updates.
Lost or Stolen: What to Do?
If your package has gone missing, there are a few steps you can take. First, check if the service you paid for comes with built-in US Mail Service insurance. For example, all US Mail Service Priority Mail services come with insurance ($50 at the Post Office, and $100 with online shipping software).

To file an insurance claim, you'll need to contact US Mail Service directly. If your parcel comes with insurance, you can file a claim directly with US Mail Service. If US Mail Service approves the claim, they will mail you a check.
Another step you can take is to file a missing mail search request with US Mail Service. You'll need to create a free US Mail Service account first. This can help shake loose stuck packages or force a tracking update.
If waiting doesn't help, start an online inquiry through the US Mail Service website. It has a miraculous way of shaking loose stuck packages, or forcing a tracking update when one hasn’t posted.
You can also contact US Mail Service directly at 1-800-275-8777. However, keep in mind that you may be on the phone for quite some time.
Here are some reasons why your package may not be moving:
- Temporary rush of deliveries
- High volume of packages
- Machines breaking down
- People taking time off
- No guarantee of service with non-Priority Mail Express packages
It's worth noting that a "In Transit" event doesn't necessarily mean your package has been stolen, destroyed, or run over. It can simply mean it got stuck in a pileup at a facility, or got stuck on a transport that broke down.
Reasons Behind Not Updating

If your package's tracking isn't updating, it's not necessarily a cause for concern. There are several reasons why this might be happening.
A barcode not being scanned is one possible reason. This can happen for various reasons, including weather conditions, packages not being scanned at intermediary stops, or a broken or unscannable barcode.
Sometimes, packages get stuck in the middle due to bad weather conditions. This can cause a delay in tracking updates.
Packages not being scanned at intermediary stops can also cause tracking issues. This can happen due to unavoidable reasons or circumstances.
US Mail Service may skip the scanning process during peak periods, such as the holiday season, to tackle the high demand. This can lead to tracking not updating.
Here are some possible reasons why your package's tracking isn't updating:
It's worth noting that if you've received your package, but the tracking still isn't updating, it's not uncommon. This can happen when US Mail Service is already lagging behind, and they skip the scanning process to move packages quicker.
Tracking and Updates

You can track your USPS packages using three different methods: third-party tracking platforms like AfterShip Tracking Page, the official USPS website, or the USPS mobile app.
The official USPS tracking service website provides three different methods to track USPS parcels: Track USPS Packages with AfterShip Tracking Page, Track USPS Packages on the Official Website, and How to track USPS Priority Mail.
To track your USPS packages, you can also use Ordertracker, a powerful parcel tracking system that accepts any international tracking number. Simply paste your tracking number in the field to track a package or go to the track my package section.
If your package is not moving for a week, a month, or stopped, it's likely due to a temporary rush of deliveries, high volume, or machine breakdowns. You can try starting an online inquiry through the US Mail Service website, which may "shake loose" stuck packages or force a tracking update.
Expected Window

The Expected Window is a 2-hour time slot when you can expect your package to arrive. This window is not a guarantee, but it gives you an idea of when your package is likely to be delivered.
The Expected Delivery Window (ExDW) is displayed when you check the status of your item. It's a good idea to check the status regularly to get an update on the delivery time.
You can also use the US Mail Service Tracking feature to get updates on your package's status. This feature provides real-time information on the location and estimated delivery date of your package.
If your package is not delivered within the Expected Window, it may still arrive by the end of the day. So, don't worry if it doesn't arrive exactly on time.
If you want to get updates on your package's status, you can use the AfterShip Tracking Page or the 17TRACK tracking page. Both of these services allow you to track your package and get updates on its status.

Here are some ways to track your USPS package:
Remember, tracking your package regularly can help you stay on top of its status and get updates on the delivery time.
Not Updating
US Mail Service tracking not updating? Don't worry, it's not uncommon. Sometimes the tracking number might not be entered correctly, so make sure to double-check it. You can find the tracking number on your Post Office shipping receipt, sales receipt, confirmation email, or the bottom peel-off portion of the tracking label.
A few reasons might be causing the tracking not to update. Here are some possible explanations:
- Package not scanned: If the barcode is not scanned, you won't see any tracking updates until it is.
- Weather conditions: Bad weather can cause packages to get stuck in the middle of transit.
- Packages not scanned at intermediary stops: Sometimes, packages are not scanned at stops along the way due to various reasons.
- Broken or unscannable barcode: If the barcode is damaged, it won't be scanned properly.
- Delay on the part of the carrier: The carrier might be experiencing delays, which can cause the tracking not to update.
If you've received your package but the tracking is still not updating, it's possible that the US Mail Service is skipping the scanning process due to high demand, especially during holidays. For international mail, tracking only goes as far as the package reaches the country it's being sent to, and then it's up to the local postal service to track it.
If your package is stuck for a week or a month, it's not uncommon for US Mail Service to experience temporary rushes of deliveries. The "In Transit" event on your tracking page might mean that the package is still on a transport or has been stuck in a pileup at a facility. Don't worry, it's not necessarily lost or stolen.
Package Information
If your package hasn't been delivered, first check the delivery standard for the mail class of your domestic item by entering the US Mail Service tracking number and looking up "Product Information." You can find this information on the USPS website or mobile app.
The delivery standard chart indicates when your item should be delivered by and when you should contact Customer Service regarding your item. If your item has a status of "Alert", it could be due to weather-related or other natural disasters.
To track your USPS packages, you have two main options: third-party tracking platforms like AfterShip Tracking Page or the official USPS website or mobile app. The USPS tracking service website provides three different methods to track USPS parcels.

A shipment is "in-transit" when the carrier has scanned the package upon pickup and it is now en route to the end customer. If a shipment stays "in transit" for a prolonged period of time, it may have been delayed due to poor road conditions, weather, or deliverability of the location.
The status "Out for Delivery" means the package has left the carrier's facility and is on its way to the end customer's destination address. This typically indicates that the package will be delivered soon.
USPS tracking numbers come in various formats, but they all start with a unique identifier. Here are some examples of USPS tracking number formats:
USPS Ground Advantage includes tracking, allowing you to monitor your shipment from the time it is sent until it reaches its destination.
App and Website
You can use the USPS app to track your packages, and it's really easy to do. Simply download the USPS app for iPhone or Android.

To get started, enter your tracking number directly into the app. You can also scan your tracking code directly through the app for an even quicker experience.
If you're having trouble tracking your package, you can contact your local post office for help. They'll be able to assist you in locating your missing items.
Hours
US Mail Service delivery hours can be a bit tricky to understand, but I'm here to break it down for you. Typically, packages are delivered around 5:00 p.m. local time, Monday through Saturday.
However, there are some exceptions to this rule. US Mail Service Priority Mail Express packages and Amazon parcels are delivered on Sundays, which is a great convenience for those who need to receive packages on the weekends.
Traffic, staff shortages, and bad weather can all cause delays in package delivery after 5:00 p.m. This can be frustrating, especially if you're waiting for an important package.
In some cases, natural calamities can also change the delivery route, causing packages to be delivered after the usual time. This is usually outside of the US Mail Service's control, but it's good to be aware of it.
Here are some common reasons for delayed package delivery:
- Traffic Rush: Delay in Package delivery after 5 PM
- Less Staff or Strikes: Shortage in Works and Staff leads to late hours package delivery.
- Bad Weather: Climate condition may change route unusually.
- Natural Calamities: Changes in carrier route, can cause deliveries to be made after this time.
Premium and Integration
The US Mail Service offers premium services and integrations to help businesses streamline their shipping and tracking processes.
With over 1,100 carrier integrations and support for 52+ languages, you can track packages globally with ease.
The US Mail Service's tracking API features normalized data and standardized 7 main-statuses and 33 sub-statuses for accurate tracking information.
You can also expect high uptime and reliability with the US Mail Service, boasting 99.99%+ uptime and compliance with ISO 27001, SOC2, and GDPR standards.
Here are some key features of the US Mail Service's premium services:
- Cost-effective shipping services
- Bespoke business solutions
- Free US Mail Service Tracking at discounted rates
- Free package pick-up and Saturday delivery (where available)
- Free shipping supplies delivered directly to businesses
Business Solutions
The US Mail Service offers a range of business solutions that can help streamline shipping and save costs. Businesses can purchase mail products including stamps and shipping services with free US Mail Service Tracking at discounted rates.

Free package pick-up and Saturday delivery are available, along with free shipping supplies delivered directly to businesses. This can be a huge time-saver and help reduce administrative tasks.
Businesses can choose from three levels of service: Negotiated Service Agreement, Commercial Base Pricing, and Commercial Plus Pricing. The Negotiated Service Agreement is designed for companies that ship more than $1 million each year and creates tailored rates and services based on individual needs.
Commercial Base Pricing offers businesses basic discounts without a qualifying volume amount, requiring only registration with the US Mail Service. Commercial Plus Pricing is designed for shippers who send up to 5,000 First Class parcels or up to 50,000 Priority parcels each year.
Most domestic and international services are available at discounted prices for businesses, making it a cost-effective option for frequent shippers.
How Premium Works?
With Premium Tracking, you can extend your access to tracking history for your package on the US Mail Service website. This service is available for a small fee, which allows you to keep your tracking records online for up to 10 years.

Non-signature items have limited access to tracking information, only available for 120 days. Signature items, however, have a 2-year tracking history available.
You can request a Premium Tracking Statement via email at any time during the 10-year period. This feature provides added convenience and peace of mind.
FedEx and UPS compete directly with the Postal Service in fast mail and parcel delivery. They have restrictions on delivering non-urgent letters and using private and commercial mailboxes in the United States.
Canada and UK
USPS tracking is available for packages shipped from Canada and the UK. You can track your packages from these countries with just a few clicks on the USPS website.
USPS courier ships to many countries around the world, including Canada and the UK. This means you can track packages sent from these countries on the USPS website.
If you're expecting a package from Canada or the UK, the sender will provide you with a tracking number. This number is essential for tracking the status of your delivery and the location of your mail or package.
You can use this tracking number on the USPS website to get the latest updates on your package's location and status.
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