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

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

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

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

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

According to the USPS, the changes will take effect on Jan. 18, 2026. Priority Mail Service prices will increase by around ...

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

The USPS said a postmark reflects the date an envelope is first processed by an automated USPS sorting machine — not the ...

This is noteworthy because the Postal Service hiked stamp prices in five consecutive Januarys from 2020 to 2024.

Mail could take longer — and cost more. The United States Postal Service is changing postmark rules and shipping prices in ...

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

In November, the USPS filed notice with the Postal Regulatory Commission on the proposed hikes for shipping services, which ...