Important Links

Below, you will find links to many of the industry specific standards and tools.

2026 USPS Promotions Guide Books - Promotions & Incentive Programs for First-Class® & USPS Marketing Mail®
USPS.com – Official Site of the USPS
Postal Explorer – Guides to Mailing Standards of the United States Postal Service
January 2026 USPS Rate Case – rates effective January 18, 2026
Rate Calculator – Find out how much it will cost to send your mail
Zip Code Locator – Search for a ZIP Code and validate an address online
Quick Service Guides – An overview of postal rates, services and preparation methods
Order Postal Supplies Online – USPS Supplies, direct from the USPS
Move Update Standard – A means of reducing forwarded and returned mailpieces
Postal Forms In Numeric Order – Listing of all USPS Forms in numeric order
Postal Pro – The newest USPS resource and replacement for RIBBS

2026 Events