USPS tightens rules on stamped parcels and letters

The new rules are the third modification of stamp restrictions that were first put in place in 1996 under the Aviation Mail Security Program.

Hillsborough jails to limit incoming inmate mail to postcards

U.S. Postal Service, May 22, 2014

How to Use Stamps to Mail a Package

I sell jewelry and have always mailed with USPS first class. I got this mail returned to me today and have no idea what went wrong. I never had an issue before.

Going Postal

usps Archives - Nahan

Coronavirus Watch: Governments Rush to Secure Ventilators, 2020-03-16

Counterfeit Postage

U.S._Postal_Service

Coronavirus: Covid News: U.S. Website for Free At-Home Tests Launches, With a Few Glitches - The New York Times

USPS Ferns Forever Stamps - 20 Stamps : Office Products

Return to Sender: Santa's Mail Canceled - CBS News

USPS plans for new mail delivery trucks to replace aging fleet