2025 - First-Class Mail Advertising Promotion

The 2025 First-Class Mail Advertising Guidebook provides you with all the details you need to know in order to successfully participate in this promotion. In the Guidebook you will find information on the eligibility of mailpieces, information on the Mailing Promotions Portal, and more. Navigate the document via the buttons on the side to quickly access the information most relevant to you.

Promotion Period: September 1, 2025 – December 31, 2025

Registration Period: July 15, 2025 – December 31, 2025