Information and services related to lists of ZIP+4 codes within any geographic area to help direct marketers decide where to target.

Envelope Manager Software is a CASS and PAVE-certified bulk mailing solution that performs ZIP Code verification, sorts your mailing lists for first-class and ...

WorkRight Software offers Superior Software and Superior Service for the IBM iSeries, AS/400, i5, and System i5. ZIP Codes, ZIP+4, presort, area codes, Canadian ...