WASHINGTON — The Postal Service is adding a larger flat-rate Priority Mail box and a charge for Sunday and holiday delivery, the first changes it has made under a law approved last year governing mail ...

Feb. 16—Question : Is the U.S. Postal Service discontinuing the use of flat-rate boxes ? I can't find them anywhere. I've looked at the Ala Moana Post Office for the past three weeks, and they haven't ...

DON’T MISS ANY UPDATES. LOOKING AHEAD, BE PREPARED TO PAY MORE TO SEND HOLIDAY PACKAGES WITH THE U.S. POSTAL SERVICE STARTING NEXT WEEK. IT PLANS TO BOOST COSTS TO SEND ITEMS PRIORITY MAIL EXPRESS ...