Presentations
11/25/2025
2026 Mailing Promotions Webinar Slides
Presentations
11/25/2025
2026 Mailing Promotions Webinar
User Guides
11/25/2025
Quick Reference Guide: Bundle Preparation and Handling Recommendations

A guide to ensuring your bundles stay secure during transit.

Announcements
11/24/2025
DELIVERY: Central Area - Illinois 1 - Wilmette Post Office (60091) - Suspended
Announcements
11/24/2025
DELIVERY: Atlantic Area - Pennsylvania 1 District - Amity Post Office (15311) - Office Temporarily Suspended
Data Files
11/24/2025
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Data Files
11/24/2025
City/State ZIP Code Weekly Compare
Data Files
11/24/2025
3 Digit ZIP/AISU Office List (AISUREPT.TXT)
Data Files
11/24/2025
AIS Congressional District File (CONG_DIST.TXT)
Data Files
11/24/2025
AIS County Name Table Layout (AISCNTY.TXT)