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

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

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

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

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

Here's what to know about the increases as well as other changes for Illinois residents. The following increases go into ...

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

If you're mailing any time-sensitive documents, you may want to mail it earlier than usual under the agency's new postmark ...

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

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

A four-ounce package sent via USPS Ground Advantage will rise 21% from $4.20 to $5.09 starting January 18, 2026, part of ...