Error Codes
03/16/2026
Known Issues List 3.12.2026
FAQs
03/16/2026
Mail Growth Incentives FAQs

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Data Files
03/16/2026
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Data Files
03/16/2026
City/State ZIP Code Weekly Compare
Data Files
03/16/2026
3 Digit ZIP/AISU Office List (AISUREPT.TXT)
Data Files
03/16/2026
AIS Congressional District File (CONG_DIST.TXT)
Data Files
03/16/2026
AIS County Name Table Layout (AISCNTY.TXT)
Data Files
03/16/2026
AMS County Name Table (COUNTY_NAME_TABLE.TXT)
Contact Lists
03/16/2026
AMS Address Report: AISU Mailing List (ADDRREPT.TXT)
Data Files
03/16/2026
AISU ZIP Code Record and AISU Address Record Descriptions (AISULOUT.TXT)