Release Notes
02/11/2025
Data Files
02/11/2025
USPS Ship Data Dictionary

Detailed information on the USPS Ship (Formerly Package Platform) data elements available through the Informed Visibility Mail Tracking & Reporting (IV-MTR) application.

Contact Lists
02/11/2025
Mail Service Provider (MSP) - Full-Service Certified Mailers

A Mail Service Provider (MSP) offers a variety of solutions to prepare and present Full-Service presort mailings. For more information regarding Certified MSPs, please follow this link: https://postalpro.usps.com/full-service-cert/fact-sheet

 

Contact Lists
02/10/2025
Publication 205 eVS Electronic Verification System Pre-certified

Software certified for mailers to use eVS for parcel shipping:

*Precertified for file format.

*Precertified for labels. 

Data Files
02/10/2025
Data Files
02/10/2025
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®.