PORTLAND — A group of mostly Democratic U.S. senators sent a letter Thursday to the U.S. Postal Service, voicing concern that ...

A group of Democratic U.S. senators is voicing concern over U.S. Postal Service processing changes and what those could mean ...

Those few who still physically mail tax documents, vouchers or bills should consider requesting a postmark in person.

TEXOMA (KXII) - Changes at the post office could cause problems at the ballot box for voters who rely on mail-in ballots. U.S ...

(NEXSTAR) – A new rule published by the United States Postal Service is encouraging people to get important mail sent out early. The rule formally defines the practice of “postmarking.” Postmarking is ...

(CNN) – The United States Postal Service has a warning for people mailing items. Mail may not be postmarked the same day it is dropped off. That is important if an item needs to be postmarked by a ...