USPS tracking is the real-time system that lets you follow any United States Postal Service shipment from the moment it is accepted into the postal network until it reaches the final delivery address, using your tracking number on the USPS website, mobile app, SMS, or third-party tracking tools. Whether you are waiting for a package shipped from the USA to India, tracking an international order from an American e-commerce store, or monitoring a parcel sent via Priority Mail International or EMS, this complete guide covers every method to track USPS shipments, all tracking status meanings, how USPS hands packages to India Post for final delivery, and exact fixes when your USPS tracking stops updating.
USPS at a Glance
| Detail | Information |
|---|---|
| Full Name | United States Postal Service |
| Founded | July 26, 1775 |
| Headquarters | Washington, D.C., USA |
| Daily Mail Pieces Processed | 472 million plus |
| Annual Package Volume | 7 billion plus |
| Countries Served | 190 plus |
| Tracking Website | usps.com |
| Customer Service USA | 1-800-275-8777 |
| Tracking Helpline USA | 1-800-222-1811 |
| SMS Tracking | Text tracking number to 28777 |
| Mobile App | USPS Mobile on Android and iOS |
USPS is the official postal service of the United States Government and one of the largest logistics organizations in the world. It processes over 472 million mail pieces daily and delivers to every address in the United States, including 160 million residential and business locations.
How USPS Tracking Works
USPS tracking is scan-based, not GPS-based. This is the most important fact to understand about the system.
Every time your package reaches a checkpoint such as an originating post office, a sorting and distribution center, an airport mail facility, a customs processing point, or a delivery vehicle, a postal worker or automated machine scans the barcode on the shipping label. That scan creates a timestamped record linked to your tracking number and updates the public tracking database instantly.
Between scans, the package is actively moving but no new update appears on your screen. Gaps in tracking are completely normal and do not indicate a lost or delayed shipment in most cases.
USPS tracking updates typically follow four stages:
- Label Created or Pre-Shipment
- Accepted and entered into the USPS network
- In Transit through sorting facilities and distribution centers
- Out for Delivery and then Delivered or Attempted
How to Find Your USPS Tracking Number
You need your USPS tracking number before checking any status. Here is where to find it:
| Source | Where to Look |
|---|---|
| Shipping confirmation email | Check inbox, spam, and promotions folder |
| USPS post office receipt | Printed on the receipt at the counter |
| Physical shipping label | Printed below the barcode on the label |
| USPS account dashboard | Log in at usps.com to see shipment history |
| Online order account | Go to My Orders on the shopping platform |
| Sender’s booking confirmation | Ask the sender to share from their receipt |
If you are the recipient of an international package from the USA and cannot find the tracking number, contact the seller and ask them to share it from their dispatch confirmation email.
USPS Tracking Number Formats Explained
USPS uses different tracking number formats depending on the service type. Knowing the format helps you confirm you have the right number.
| Service Type | Starting Prefix | Length | Example |
|---|---|---|---|
| USPS Ground Advantage | 9400 | 22 digits | 9400 1000 0000 0000 0000 00 |
| Priority Mail | 9205 | 22 digits | 9205 5000 0000 0000 0000 00 |
| Priority Mail Express | 9270 | 22 digits | 9270 1000 0000 0000 0000 00 |
| Certified Mail | 9407 | 22 digits | 9407 3000 0000 0000 0000 00 |
| Signature Confirmation | 9202 | 22 digits | 9202 1000 0000 0000 0000 00 |
| Priority Mail Express International | EA prefix | 13 characters | EA123456789US |
| Priority Mail International | CP prefix | 13 characters | CP123456789US |
| First-Class Package International | LZ or LY prefix | 13 characters | LZ123456789US |
All domestic USPS tracking numbers start with the digit 9 and are 20 to 22 digits long. International tracking numbers follow the Universal Postal Union S10 format with two letters at the start and US at the end.
6 Ways to Track Your USPS Package
Method 1: Official USPS Website
Visit usps.com and enter your tracking number in the search box on the homepage. Click Track to see the full shipment history, current location, and estimated delivery date.
You can track up to 35 packages at once on usps.com by entering multiple tracking numbers on separate lines.
Method 2: USPS Informed Delivery
USPS Informed Delivery is a free service that automatically sends daily email notifications showing images of incoming letter mail and package tracking updates for all parcels heading to your registered address.
Sign up at informeddelivery.usps.com using your USA delivery address. Once registered, you receive automatic updates without manually checking the website.
Method 3: SMS Tracking
Text your USPS tracking number to 28777 (2USPS) from any US mobile number. USPS will reply with the latest status of your shipment.
For international tracking, text your tracking number followed by the keyword AA to receive all past and future tracking activity in a single reply.
Method 4: USPS Mobile App
Download the USPS Mobile app on Android or iOS. The app provides push notifications for every status change, barcode scanning for tracking numbers directly from labels, and a saved package list for all active shipments.
Method 5: Phone Tracking
Call USPS customer service at 1-800-222-1811 for tracking assistance. Have your tracking number ready. Representatives can access internal scan data not visible through the public tracking portal.
Method 6: Third-Party Tracking Platforms
These platforms support USPS tracking and are especially useful for international packages or tracking multiple carriers simultaneously:
| Platform | Best For |
|---|---|
| indiaposttrackings.com | USPS packages arriving in India via India Post |
| 17track.net | Multi-carrier global tracking |
| ship24.com | USPS international and India Post combined |
| aftership.com | E-commerce order tracking dashboard |
| parcelsapp.com | USPS and India Post together |
Every USPS Tracking Status Decoded
Here is what every USPS tracking status means so you always know exactly what is happening:
| Status | What It Means |
|---|---|
| Label Created | Shipping label generated, USPS not yet physically received the package |
| Pre-Shipment | USPS expecting the parcel, not yet scanned at a facility |
| Accepted | USPS has formally scanned and accepted the package into the network |
| In Transit | Moving between sorting facilities, gaps of 24 to 48 hours are normal |
| Arrived at USPS Facility | Package reached a sorting or processing center |
| Departed USPS Facility | Package left a facility, moving toward next destination |
| Out for Delivery | Loaded onto delivery vehicle, arriving today |
| Delivered | Successfully handed to recipient or placed in mailbox |
| Delivery Attempted | Carrier tried but recipient unavailable or location inaccessible |
| Available for Pickup | Package held at local post office for recipient to collect |
| In Transit, Arriving Late | Delay expected, delivery pushed beyond original estimate |
| Customs Clearance | International parcel being processed at destination customs |
| Delivered to Agent | Handed to an authorized agent such as a building manager or front desk |
| Return to Sender | Package being sent back to origin address |
| Alert | Processing issue such as address problem or damaged barcode |
What Out for Delivery Really Means
When your USPS tracking shows Out for Delivery, the package is loaded on a postal carrier’s vehicle and is scheduled for delivery that business day. Delivery typically happens between 8 AM and 8 PM local time. If the package does not arrive by end of day, check for a Delivery Attempted update before contacting customer service.
USPS Service Types and Delivery Times
| Service | Domestic Delivery | Tracking Included |
|---|---|---|
| Priority Mail Express | Overnight to 2 days | Yes, full tracking |
| Priority Mail | 1 to 3 business days | Yes, full tracking |
| USPS Ground Advantage | 2 to 5 business days | Yes, full tracking |
| First-Class Mail (packages) | 1 to 5 business days | Yes |
| Certified Mail | 2 to 5 business days | Yes, delivery confirmation |
| Media Mail | 2 to 8 business days | Yes |
| International Service | Delivery Time | Tracking |
|---|---|---|
| Priority Mail Express International | 3 to 5 business days | Yes, full |
| Priority Mail International | 6 to 10 business days | Yes |
| First-Class Package International | 7 to 21 business days | Limited |
| Global Express Guaranteed | 1 to 3 business days | Yes, full |
USPS Tracking for Packages Coming to India
This section is specifically for people in India who are waiting for a package shipped from the USA via USPS.
How USPS Hands Off to India Post
When a USPS international package enters India, the delivery process involves two postal systems working together:
Step 1: USPS ships from USA The package is accepted at a US post office and scanned. USPS tracking updates show the package moving through US sorting and distribution facilities.
Step 2: Departs USA The package is loaded onto an international flight at a US gateway facility such as New York JFK, Los Angeles, Chicago, or Miami. USPS tracking shows a Departed USPS Facility update.
Step 3: Arrives in India The package lands at one of four International Exchange Post Offices in India: Mumbai, Delhi, Chennai, or Kolkata. India Post scans the package on arrival.
Step 4: Customs clearance The package undergoes customs inspection by Indian customs authorities. This stage can take 2 to 10 business days depending on the item type, declared value, and documentation accuracy.
Step 5: India Post handles final delivery After customs clearance, India Post takes over and delivers the package to your address using the same 13-character tracking number. You can track the package on indiaposttrackings.com using the original USPS tracking number once it enters the India Post system.
How to Track a USPS Package After It Enters India
Once your USPS package clears customs and enters the India Post network, the original tracking number continues to work. Enter the full tracking number including the US suffix on indiaposttrackings.com to see India Post delivery updates.
You can also enter the tracking number on indiapost.gov.in or use the India Post SMS tracking service by sending POST TRACK followed by your tracking number to 166 or 51969 from any Indian mobile number.
Common USPS Tracking Statuses for India-Bound Packages
| Status | What It Means for India Recipients |
|---|---|
| In Transit to Destination | Package is on an international flight or in transit hub |
| Customs Clearance | Held at Indian customs for inspection |
| International Dispatch | Left USA, heading toward India |
| Arrived at Destination Country | Reached India, handed to India Post |
| In Transit (India Post updates) | India Post is moving the parcel toward your city |
| Out for Delivery | India Post delivery agent has your package today |
USPS Informed Delivery: The Smartest Way to Track
USPS Informed Delivery is one of the most underused features of the postal service and it is completely free.
Once registered at informeddelivery.usps.com, you receive:
- Daily email digest showing grayscale images of incoming letter-sized mail
- Automatic push notifications for package tracking updates
- Delivery alerts the morning your package goes out for delivery
- Missed delivery notifications with instructions for pickup or redelivery
Informed Delivery primarily shows tracking for domestic mail. For international packages arriving from USPS in the USA, use the tracking number directly on usps.com or on third-party platforms that connect USPS with India Post for end-to-end visibility.
USPS Tracking Not Updating: Step by Step Fixes
Fix 1: Wait the Appropriate Time
New shipments take 24 to 72 hours to appear after the shipping label is created. The package must be physically dropped off and scanned at a USPS facility before any tracking data appears. If the sender just created the label, simply wait.
During transit, gaps of 24 to 48 hours between scans are completely normal, especially for long-distance routes between states or on international flights.
Fix 2: Check for Typos in the Tracking Number
A single wrong digit returns no result or pulls up someone else’s shipment. Recheck every character carefully. Domestic USPS tracking numbers contain only digits. If your number has letters in the middle, it may belong to a different carrier.
Fix 3: Check USPS Service Alerts
Visit the Service Alerts section on usps.com to see all current weather delays, facility disruptions, and operational issues affecting specific regions or routes. If your package is passing through an affected area, the delay is already acknowledged.
Fix 4: Wait for Customs Clearance on International Packages
For USPS packages entering India, there is often a tracking gap of several days during customs inspection. This is completely normal. The tracking typically resumes once India Post scans the package after clearance. Wait at least 7 to 14 business days from the last US scan before raising a concern.
Fix 5: Submit a USPS Missing Mail Search
If your domestic package has not moved in 7 business days past the expected delivery date, file a Missing Mail request at usps.com. Provide your tracking number, package description, sender and recipient addresses, and approximate contents. USPS will initiate an internal search.
Fix 6: Call USPS Customer Service
Call 1-800-222-1811 for tracking assistance. For delivery complaints, call 1-800-275-8777. Representatives can access internal scan data not visible through the public tracking page and can raise a formal inquiry on your behalf.
Fix 7: File a Claim for Lost or Damaged Packages
If your package is confirmed lost or arrives damaged, file a formal claim at usps.com. You need your tracking number, proof of mailing, and proof of value for the contents. USPS reviews claims and provides compensation for eligible services including Priority Mail Express, Priority Mail, and insured mail.
USPS vs India Post EMS: Which Is Better for India Shipments
| Feature | USPS Priority Mail International | India Post EMS (Outbound) |
|---|---|---|
| Delivery to India | 6 to 10 business days | 7 to 14 business days |
| Tracking Depth | Full scan at every US checkpoint | Major hub scans only |
| Customs Handling | Recipient handles in India | Recipient handles in India |
| Maximum Weight | 30 kg | 30 kg |
| Cost | Higher, based on weight and zone | Lower, government rates |
| Delivery Confirmation | Yes | Yes |
| Best For | Reliable tracked mail from USA | Budget shipments within postal network |
For packages shipped from the USA to India, USPS Priority Mail International offers stronger tracking visibility within the US leg of the journey. Once the package enters India, both services rely on India Post for final delivery using the same tracking network.
Tips for Tracking USPS International Packages from India
Use your full tracking number including the US suffix. International USPS tracking numbers end with US. Always enter the complete number when tracking on usps.com or third-party platforms.
Track on indiaposttrackings.com after the package enters India. Once the parcel clears Indian customs and enters the India Post network, tracking updates continue under the same number on this site.
Allow extra time for customs. Indian customs processing for inbound international mail can take anywhere from 2 to 10 business days. This is a government process and no postal service can control or speed it up.
Contact the US sender first for early tracking problems. If the package shows no movement within 48 hours of dispatch, the most likely explanation is that the sender has not yet physically dropped it off at a USPS facility. Confirm with the seller before contacting USPS directly.
Save the tracking number until confirmed delivery. India Post keeps tracking records for 60 days from the booking date in India. USPS keeps US-side records for 120 days. Save a screenshot of the delivered confirmation screen before these windows expire.
USPS Contact Information
| Contact Method | Details |
|---|---|
| General Customer Service | 1-800-275-8777 |
| Tracking Helpline | 1-800-222-1811 |
| SMS Tracking | Text tracking number to 28777 |
| Missing Mail Search | usps.com/help/missing-mail.htm |
| Claims Portal | usps.com/help/claims.htm |
| Informed Delivery | informeddelivery.usps.com |
| Mobile App | USPS Mobile on Android and iOS |
Frequently Asked Questions About USPS Tracking
How do I track a USPS package coming to India?
Enter your USPS tracking number on usps.com to see the US-side journey. Once the package clears Indian customs and enters the India Post network, enter the same tracking number on indiaposttrackings.com to see delivery updates from India Post.
Why has my USPS tracking stopped updating after leaving the USA?
Once a USPS international package leaves US territory, tracking depends on the destination country’s postal system. Gaps of 7 to 14 business days are normal during international transit and customs clearance in India. Wait the full period before raising a concern.
How many digits is a USPS tracking number?
Domestic USPS tracking numbers are 20 to 22 digits and always start with the digit 9. International USPS tracking numbers are 13 characters with two letters at the start and US at the end.
What does USPS In Transit mean?
In Transit means your package is actively moving between USPS facilities or on a long-distance transport route. Gaps of 24 to 48 hours between scans are completely normal during this stage.
Can I track a USPS package without a tracking number?
USPS Informed Delivery allows address-based tracking for all packages coming to a registered US address. Without a tracking number, international recipients should contact the sender to obtain the number from their booking confirmation.
What should I do if USPS shows delivered but I did not receive the package?
Check with neighbors, building security, and all entry points at your address first. For packages shipped to India, confirm whether India Post completed the final delivery. Contact USPS at 1-800-275-8777 and file a Missing Mail request if the package is genuinely missing.
How long does USPS keep tracking data?
USPS keeps tracking data publicly accessible for 120 days after the last scan. Signature and delivery confirmation records are available for up to 2 years.
What is USPS Informed Delivery?
USPS Informed Delivery is a free service that sends daily email notifications with images of incoming mail and automatic tracking updates for all packages heading to your registered US address. Sign up free at informeddelivery.usps.com.
What is the difference between USPS Priority Mail and Priority Mail International?
Priority Mail is a domestic service delivering within 1 to 3 business days inside the USA. Priority Mail International delivers to over 190 countries including India in 6 to 10 business days and includes tracking from the US origin to the destination country.
How do I file a USPS claim for a lost international package sent to India?
File a claim at usps.com/help/claims.htm within the eligible claim window. You need your tracking number, proof of mailing, and proof of the value of the contents. Claims for Priority Mail International must be filed within 60 days of the mailing date.