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      • USPS Mailing Services team provides strategic incentives, offering various benefits and advantages to businesses and individuals.

         

        New! Mail Incentives | PostalPro (usps.com)

         

        USPS Mailing Promotions seek to increase engagement and response rates for Mailers by leveraging high value mailpieces.

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  2. Address Information System (AIS) Area/District 3-Digit and 5-Digit ZIP Code™ Assignments
Resources
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Area District Finance File (AREADIST.TXT)
Area District Finance File Specification (AREA_DIST_LAYOUT.TXT)
Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
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