Post Offices

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

Mar Post Office

Post Office in Mars, Pennsylvania on Grand Ave. Operating hours, phone number, services information, and other locations.

Address: 111 Grand Ave, Mars, PA 16046
Phone: 724-625-2950
Fax: 724-625-1266
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:30am - 5:00pm
Tuesday 8:30am - 5:00pm
Wednesday 8:30am - 5:00pm
Thursday 8:30am - 5:00pm
Friday 8:30am - 5:00pm
Saturday 8:30am - 12:00pm
Sunday Closed

Lobby Hours

Monday 4:45pm
Tuesday 4:45pm
Wednesday 4:45pm
Thursday 4:45pm
Friday 4:45pm
Saturday 1:30pm
Sunday Closed

Last Collection Times

Monday 9:00am - 3:00pm
Tuesday 9:00am - 3:00pm
Wednesday 9:00am - 3:00pm
Thursday 9:00am - 3:00pm
Friday 9:00am - 3:00pm
Saturday Closed
Sunday Closed