Post Offices
Post Offices in & near Mercer, Pennsylvania. Operating hours, locations, phone/fax number, services information.
Mercer Post Office
Post Office in Mercer, Pennsylvania on E Venango St. Operating hours, phone number, services information, and other locations.
Address: 109 E Venango St, Mercer, PA 16137
Phone: 724-662-3590
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 9:00am - 5:00pmTuesday 9:00am - 5:00pm
Wednesday 9:00am - 5:00pm
Thursday 9:00am - 5:00pm
Friday 9:00am - 5:00pm
Saturday 9:00am - 12:00pm
Sunday Closed
Lobby Hours
Monday 4:45pmTuesday 4:45pm
Wednesday 4:45pm
Thursday 4:45pm
Friday 4:45pm
Saturday 3:45pm
Sunday Closed
Last Collection Times
Monday 9:00am - 2:00pmTuesday 9:00am - 2:00pm
Wednesday 9:00am - 2:00pm
Thursday 9:00am - 2:00pm
Friday 9:00am - 2:00pm
Saturday Closed
Sunday Closed