Data Files
04/01/2026
March 2026 Nixie Volume

This spreadsheet contains the UAA statistics for March 2026.

Data Files
04/01/2026
Informed Visibility Mail Tracking & Reporting Machine Count

List of US Postal Service machines by site, including a description of each machine.

Data Files
04/01/2026
Informed Visibility® Mail Tracking & Reporting (IV®-MTR) Development Tracker

This document provides a list of active IV-MTR work to be as well as items completed in FY25.

 

*Please note, Postal Pro is the only source for a current IV-MTR Development log as updates will be made on an ongoing basis.

Data Files
04/01/2026
ZIP Codes by Area and District codes

The Excel spreadsheet lists ZIP Codes with the associated Area and District Codes.  

Data Files
03/30/2026
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Data Files
03/30/2026
City/State ZIP Code Weekly Compare
Data Files
03/30/2026
3 Digit ZIP/AISU Office List (AISUREPT.TXT)
Data Files
03/30/2026
AIS Congressional District File (CONG_DIST.TXT)
Data Files
03/30/2026
AIS County Name Table Layout (AISCNTY.TXT)
Data Files
03/30/2026
AMS County Name Table (COUNTY_NAME_TABLE.TXT)