Publications
09/14/2026
PCC Events (September 2026)
Announcements
09/14/2026
INFORMATIONAL - New USPS NCOA API – Launching October 4, 2026
Release Notes
09/14/2026
September 20, 2026 - FAST R69.0.1.0 Release Notes
Release Notes
09/14/2026
September 20 2026 Time Limited Price Change (TLPC) 2026 [October] Release Notes
Data Files
09/14/2026
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Data Files
09/14/2026
City/State ZIP Code Weekly Compare
Data Files
09/14/2026
3 Digit ZIP/AISU Office List (AISUREPT.TXT)
Data Files
09/14/2026
Cumulative Listing of ZIP Codes Covered by the LACS Database

This document provides a cumulative listing of ZIP Codes covered by the LACS database for LACSLink®.

Data Files
09/14/2026
AIS Congressional District File (CONG_DIST.TXT)
Data Files
09/14/2026
AIS County Name Table Layout (AISCNTY.TXT)