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.

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

Thanks to a new set of USPS postmark rules, your mail could now be delayed, affecting important deadlines for voting, taxes, ...

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 ...