Announcements
10/13/2026
PROCESSING & DISTRIBUTION: Update - Hurricane Isaias - Gulf Region of U.S. - Processing Facilities Resume Operations
Announcements
10/13/2026
DELIVERY: Update - Southern Area - Florida 1 - 3 Digit Zip Code Areas - 324 & 325 Operations Restored
Release Notes
10/13/2026
October 11 2026 EPS 8.7.2.0 Release Notes
Error Codes
10/13/2026
Known Issues List 10.08.2026
Data Files
10/13/2026
***Updated - New Areas*** - Area District 5-digit ZIP Codes (AREADIST_ZIP5.TXT)
Data Files
10/13/2026
City/State ZIP Code Weekly Compare
Data Files
10/13/2026
3 Digit ZIP/AISU Office List (AISUREPT.TXT)
Data Files
10/13/2026
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
10/13/2026
AIS Congressional District File (CONG_DIST.TXT)
Data Files
10/13/2026
AIS County Name Table Layout (AISCNTY.TXT)
Data Files
10/13/2026
AMS County Name Table (COUNTY_NAME_TABLE.TXT)
Data Files
10/13/2026
AMS Address Report: AISU Mailing List (ADDRREPT.TXT)
Data Files
10/13/2026
AISU ZIP Code Record and AISU Address Record Descriptions (AISULOUT.TXT)
Data Files
10/13/2026
AISU ZIP Code File (AISUZIPS.TXT)
Data Files
10/13/2026
AISU Contact Information (AISUADDR.TXT)
Data Files
10/13/2026
Area District Finance File Specification (AREA_DIST_LAYOUT.TXT)
Data Files
10/13/2026
Area District Finance File (AREADIST.TXT)
Data Files
10/13/2026
Area/District 3-digit and 5-digit ZIP Code Assignments (AREA_DIST_ZIP.TXT)
Data Files
10/13/2026
Move to Competitive Street Addressing (MTC SA) List

This .txt file contains the MTC SA List.

Announcements
10/11/2026
DELIVERY: Southern Area - AL-MS District - Coffee Springs Post Office (36318) - Temporarily Suspended
Announcements
10/11/2026
DELIVERY: Southern Area - AL/MS Resume Operations - 3-Digit Zip Code Areas - 365, 366 & 395
Announcements
10/11/2026
DELIVERY: Southern Area - Florida 1: 3 Digit Zip Code Areas - Temporarily Suspended
Announcements
10/10/2026
PROCESSING & DISTRIBUTION: Update - Hurricane Isaias - Gulf Region of U.S. - Facility Closures
Announcements
10/09/2026
PROCESSING & DISTRIBUTION: Update Central Processing Region - Louisville, KY Processing and Distribution Center (P&DC) Delays
Announcements
10/09/2026
DELIVERY - Southern Area -AL-MS District - 3-Digit Zip Code Areas 365, 366, & 395 Temporarily Suspended