The United States Postal Service has changed the postmark process going into 2026, which potentially could add late fees and penalties to parcels.

Here's what to know about 2026 Postal Service changes in postmark process, postage stamps and USPS shipping rates ...

The U.S. Postal Service (USPS) implemented new procedures for dating mail on Dec. 24, postmarking letters and packages with ...

Many users posted the claim along with a screenshot of a BlueSky user who wrote, "USPS quietly changed its postmark rules — mail is no longer dated when you drop it off. The 'official' date is when it ...

A USPS postmark is used to indicate the date when mail was dropped in a mailbox or submitted at the post office counter. Now, ...

Changes to how the U.S. mail is stamped are quietly rewriting the rules for anyone who relies on a postmark to prove they met ...

The U.S. Postal Service's new postmark process could lead to late fees and penalties when mailing time-sensitive documents.

USPS stamp prices stay flat, but shipping costs rise in 2026. See how much more you’ll pay for Priority Mail and other services.

If you vote or pay bills by mail, there will be some changes to the US Postal Service postmark system. A postmark currently ...

Shipping costs through the U.S. Postal Service are set to rise in early 2026 after the agency filed notice with the Postal Regulatory Commission on November 14, 2025. The proposed changes, approved by ...

What is new at the post office in 2026? Here's what to know about Postal Service changes in postmark process, postage stamps ...