Data Files
08/01/2025
July 2025 Nixie Volume

This spreadsheet contains the UAA statistics for July 2025.

Data Files
07/31/2025
Z4 Info File

A downloadable ZIP file containing information related to the Z4 Info File

Data Files
07/31/2025
Early Warning System (EWS002C0.ZIP)

This file is the EWS production file and is updated weekly. This file contains the Early Warning System data file for the CASS™ and MASS™ certification process.

 

Data Files
07/28/2025
Labeling List Changes Effective September 1, 2025

Effective September 1, 2025, the Postal Service™ will revise Labeling List(s) L007, L012, L051, and L606 to reflect changes in mail processing operations. Mailers are expected to label according to these revised lists for mailings inducted on or after the September 1, 2025, effective date through October 31, 2025, expiration date. The changes will be published in the Postal Bulletin, Issue #22682.

 

Data Files
07/28/2025
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Data Files
07/28/2025
City/State ZIP Code Weekly Compare
Data Files
07/28/2025
3 Digit ZIP/AISU Office List (AISUREPT.TXT)
Data Files
07/28/2025
AIS Congressional District File (CONG_DIST.TXT)
Data Files
07/28/2025
AIS County Name Table Layout (AISCNTY.TXT)
Data Files
07/28/2025
AMS County Name Table (COUNTY_NAME_TABLE.TXT)