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.

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

Royal Mail has warned that watering down delivery targets for first-class post to a three-day window could still cost senders more money. The postal service hiked the cost of first-class stamps to ...

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