Adjusting to TikTok's new requirement for vendors shipping by the U.S. Postal Service may cause hiccups that affect ...

People relying on the U.S. Postal Service to mail time-sensitive documents may need to take additional steps to make sure postmarks aren’t late if they’re cutting it close to key deadlines. A new fede ...

Wondering which retailers are open or closed on New Year's Day? This handy list breaks down store hours so you can plan your ...

If you mail in your ballot during election season or send your taxes through USPS, this postmark change may apply to you.

Many users posted the claim along with a screenshot of a BlueSky user who wrote, "USPS quietly changed its postmark rules — mail is no longer dated when you drop it off. The 'official' date is when it ...

Here's what to know about the increases as well as other changes for Illinois residents. The following increases go into ...

A new rule published by the United States Postal Service is encouraging people to get important mail sent out early.