2011 Nine-Digit MID Requirements

Earlier this year, the USPS® announced a new mailer identification (MID) requirement that will take effect on January 31, 2011. This requirement states that nine-digit MIDs used for Confirmation Services and Electronic Verification Systems (eVS®) must begin with the number 9. Due to this new requirement, a six-digit MID can only start with 0-8, with… Read: 2011 Nine-Digit MID Requirements »