$27K Clairton, PA Shift Supervisor Average Salary at Rite Aid Â·. Underpaid, and the only reason I am making what I am making is because I started out with Eckerd Drug and then Rite Aid bought out Eckerd Drug..
USPS Tracking Number Format. The most common USPS tracking format is a 20 digit number (e.g. 9999 9999 9999 9999 9999), or a combination of 13 alphabets and numeric characters. Which is usually starts with two alphabets, and it is followed by a 9 digit number and ending by the US (e.g. EA 999 999 999 US).
USPS Tracking. Tracking Number Formats. The most common tracking number format is 20 digits (e.g. 9999 9999 9999 9999 9999), or a combination of 13 alphabetic and numeric characters, usually starting with 2 alphabets, following by 9 digits, and ending by US (e.g. EA 999 999 999 US). Some other less common formats may also exist, such as 10 digits. Customer Service.