What does a Royal Mail tracking number start with?

What does a Royal Mail tracking number start with? Example URL for testing URL format http://www.royalmail.com/portal/rm/track?trackNumber=[TRACKING NUMBER] Royal Mail tracking number format 13 alphanumeric string starts with 2 characters followed by 9 digits and ends with 2 characters. The last 2 characters are “GB” Invalid prefix EA,EB,EC,ED,EE,CP What does a Hermes tracking number look like? […]

What does a Royal Mail tracking number start with? Read More »