The U.S. Postal Service (USPS) implemented new procedures for dating mail on Dec. 24, postmarking letters and packages with ...

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

If you mail in your ballot during election season or send your taxes through USPS, this postmark change may apply to you. Learn how to get your mail in on time here.