autoZIP® Mail Services specializes in CASS certification with NCOA and presorting mailing lists. What sets us apart from the competition is our competitive prices, fast turnaround, outstanding customer service and options you can choose from that no one else offers.

If you're looking for a mailing service to process your mailing list, you've come to the right place. We specialize in automation compatible mailings for 1st Class, Standard Class and Periodical mailings to make sure that you pay the lowest postage rates possible.

Mailing List Presorting Service

CASS Certification Service

Duplicate Removal Service

We also try to keep our mailers informed. For your convenience we have put together a list of the most common definitions and descriptions used by the US Postal Services along with a detailed definition. We have also put together a list of USPS most common approved abbreviations to help with your mailing address data entry.

Check out our services then fill out the order form. You won't be disappointed and your pocket book will thank you.

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