Included with your CODE-1 Plus software is a Z4CHANGE Option database. The database is published by the USPS every month and contains all of the ZIP+4 Codes that the USPS changed in the previous 12-month period.
Included with your CODE-1 Plus software is a Z4CHANGE Option database. The database is published by the USPS every month and contains all of the ZIP+4 Codes that the USPS changed in the previous 12-month period.