Post Offices

Post Offices in & near Charlestown, Pennsylvania. Operating hours, locations, phone/fax number, services information.

Mercersburg Post Office

Post Office in Mercersburg, Pennsylvania on S Main St. Operating hours, phone number, services information, and other locations.

Address: 128 S Main St, Mercersburg, PA 17236
Phone: 717-328-2612
Fax: 717-328-2632
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Lobby Hours

Monday 4:30pm
Tuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 3:00pm
Sunday Closed

Last Collection Times

Monday 8:00am - 2:00pm
Tuesday 8:00am - 2:00pm
Wednesday 8:00am - 2:00pm
Thursday 8:00am - 2:00pm
Friday 8:00am - 2:00pm
Saturday Closed
Sunday Closed