USPS makes more changes to cut costs, improve service in 2026. Know how postmarks work to avoid late fees on bills, taxes.

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

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

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

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