Tracking number patterns

Is there any place to get patterns for shipping tracking numbers for all shipping companies like UPS,FedEX, DHL, AirBorne, USPS ...

Fedex: XXXXXXXXXXXX (12 numbers)

DHL:

• International Air Freight Shipments - 7 digit HAWB number 1234567
• International Ocean Shipments - 9 character HBL number SEA123456
• U.S. Domestic Shipments* – 3 character origin code and HAWB number, which can be up to 10 digits in length. SEA1234567

DHL Tracking Number Information Page

Canadian Postal Service: Canadian Postal Service Tracking Information Page

UPS: Begins with 1Z

If it's UPS, Fedex or USPS, you can send the number into Google and get the type from the Google result.

Airborne is now DHL.