Announcements
05/12/2025
INFORMATIONAL: Postal Service Launches Twenty-Two New Sorting and Delivery Centers in May and July
Announcements
05/12/2025
INFORMATIONAL: USPS APIs System Deployment - May 14, 2025
Data Files
05/12/2025
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Data Files
05/12/2025
City/State ZIP Code Weekly Compare
Data Files
05/12/2025
3 Digit ZIP/AISU Office List (AISUREPT.TXT)
Data Files
05/12/2025
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
05/12/2025
AIS Congressional District File (CONG_DIST.TXT)
Data Files
05/12/2025
AIS County Name Table Layout (AISCNTY.TXT)
Data Files
05/12/2025
AMS County Name Table (COUNTY_NAME_TABLE.TXT)
Contact Lists
05/12/2025
AMS Address Report: AISU Mailing List (ADDRREPT.TXT)