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USPS 2026 First-Class Mail Advertising Promotion

2026 First-Class Mail Advertising Promotion graphic featuring promotional elements and icons related to marketing strategy.

The 2026 First-Class Mail Advertising Guidebook provides you with all the details you need to successfully participate in the 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.

Click for Guide to the 2026 First-Class Mail Advertising Promotion

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