A USPS tracking number is typically 22 digits long. 1. How many digits is a USPS tracking number?A USPS tracking number is typically 22 digits long. 2. Can a USPS tracking number have fewer than 22 digits?Yes, in some cases, a USPS tracking number may have fewer than 22 digits, but it is not common.… Continue reading how many digits is a usps tracking number?
