Post Offices

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

Mount Oliver Post Office

Mount Oliver Post Office in Pittsburgh, Pennsylvania on Brownsville Rd. Operating hours, phone number, services information, and other locations.

Address: 140 Brownsville Rd, Pittsburgh, PA 15210
Phone: 412-381-4915
Fax: 412-381-9884
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 9:00am - 5:00pm
Tuesday 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 9:00am - 5:00pm
Tuesday 9:00am - 5:00pm
Wednesday 9:00am - 12:00pm
Thursday 9:00am - 5:00pm
Friday 9:00am - 5:00pm
Saturday 9:00am - 12:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 4:00pm
Sunday Closed