
A UPS tracking code is a unique 12-character code that provides information about the location and status of your package. It's made up of letters and numbers.
The first digit of the tracking code represents the UPS service used for the shipment, such as 01 for UPS Ground or 03 for UPS 3-Day Select.
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Understanding UPS Tracking Numbers
A UPS tracking number typically consists of 22 digits.
The first two digits indicate the carrier responsible for the shipment, which is UPS in this case.
The next two digits denote the service level, such as Ground or International.
The subsequent six digits identify the package's origin, which can be a specific location or facility.
The following eight digits represent the package's destination, including the recipient's location or facility.
The final four digits serve as a unique identifier for the package, ensuring it can be easily tracked and identified.
A check digit is included to verify the accuracy of the tracking number using a specific algorithm.
Here's a breakdown of the UPS tracking number structure:
Identifying Fake and International Tracking Numbers

If you're unsure about a tracking number, it's best to contact UPS directly for confirmation. They can verify the number and provide accurate shipping details.
A genuine UPS tracking number typically starts with '1Z', followed by a 6-character shipper number, a 2-digit service level indicator, and a unique 8-digit identifier. This format is crucial in identifying a valid tracking number.
If you receive a tracking number that doesn't match this format or seems suspicious, enter it on the official UPS tracking website. If it's invalid, UPS won't be able to locate any shipping information related to it.
Identifying Fake UPS Tracking Numbers
Identifying fake UPS tracking numbers can be a challenge, but there are some key things to look out for. A genuine UPS tracking number typically begins with '1Z', followed by a 6-character shipper number, a 2-digit service level indicator, and a unique 8-digit identifier.
If you receive a tracking number that doesn't match this format or seems suspicious, enter it on the official UPS tracking website to see if it's valid. If it's invalid, UPS won't be able to locate any shipping information related to it.

Be wary of emails or messages with tracking numbers that prompt you to click on external links - these could be phishing attempts. Always verify tracking numbers directly on the UPS website or through their official app.
If you're still unsure about the validity of a tracking number, it's best to contact UPS directly for confirmation.
UPS International Tracking Number
A UPS International Tracking Number typically consists of 18 characters and follows a specific format. It begins with the letter "1Z" followed by a 6-character shipper number, which includes a combination of numbers and letters.
The shipper number helps identify the sender of the package and ensures accurate tracking. This is a crucial detail, as it helps UPS locate the package and verify its authenticity.
The next component of the tracking number is the 2-digit service level indicator. This indicator represents the level of service chosen for the shipment, such as express or standard delivery.

A 2-digit code is then followed, showing what kind of service is being used. This information can be a big help in understanding the speed and efficiency of the package's transportation.
The tracking number concludes with 8 digits that uniquely identify the package. These digits act as a reference point for tracking and provide essential information about the shipment's specific details.
Here's a breakdown of the typical components of a UPS International Tracking Number:
Frequently Asked Questions
What does a UPS tracking code look like?
A UPS tracking code is 18 characters long, starting with '1Z' and ending with a check digit, and is used to verify the accuracy of the tracking number. It follows a specific format, such as 1Z 999 AA1 01 2345 6789.
What is the format of a USPS tracking code?
A USPS tracking code typically starts with 2 letters, followed by 9 digits, and ends with 2 more letters. This 22-character format provides a unique identifier for tracking packages.
What is an example of a UPS tracking number?
A UPS tracking number is in the format "1Z xxx xxx yy zzzz zzz c", with specific components such as the shipper's account number and a checksum. For example, a 15-digit UPS tracking number for United States Next Day Air Early A.M. service might look like "1Z 123456789 15 1234 5678 9
Do all UPS tracking numbers start with 1Z?
No, not all UPS tracking numbers start with 1Z, but UPS is the only major shipping carrier that uses this unique prefix. Be cautious of tracking numbers starting with 1Z from other carriers, as they may be a sign of a scam.
Sources
- https://www.trackingmore.com/tracking-status-detail-en-238.html
- https://www.shipscience.com/understanding-the-upsmi-tracking-number-format/
- https://www.ship24.com/couriers/ups-tracking/ups-tracking-number
- https://silicondales.com/tutorials/woocommerce/ups-tracking/
- https://www.ship24.com/couriers/ups-tracking/ups-international-tracking
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