A change at the U.S. Postal Service could pose an issue for people who need to get bills, taxes and other mail postmarked by specific dates.
Mail could take longer — and cost more. The United States Postal Service is changing postmark rules and shipping prices in 2026.
Add Yahoo as a preferred source to see more of our stories on Google. A USPS postmark is an official mark that shows where and when mail was accepted by the Postal Service. It used to include the date ...