Publications
02/16/2024
Appendix A: Ancillary Service Type Identifier (STID) Details

Appendix A provides a detailed description of the various address correction options available within basic / Nonautomation and full-service mailings and the STIDs that provide the different undeliverable-as-addressed (UAA) treatments.

Announcements
02/15/2024
Publications
02/15/2024
Publications
02/15/2024
FAQs
02/14/2024
First-Class Mail and Marketing Mail Growth Incentives FAQs

On September 27, 2023, the Postal Regulatory Commission (PRC) approved the Postal Service request to make Mail Classification Schedule (MCS) changes to establish two distinct Mail growth incentives — a First Class Mail Growth Incentive and a Marketing Mail Growth Incentive. The incentives will run concurrently from Jan. 1, 2024 through Dec. 31, 2024. The following are some frequently asked questions and answers on these incentives.

Contact Lists
02/14/2024
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