U.S. Post Office Helpful Links

USPS Main Web Site USPS Zip code Association
USPS Postal Explorer USPS Post Office Locator
Postal Addressing Standards Quick Service Guides
Domesitc Mail Manual (DMM) Folded Self-Mailer Reference Material

Other Helpful Sites

Mail & Fulfillment Services Association Logo
(Click the AMSP Logo to view the organization web page.)