Post Offices
Post Offices in & near Irwin, Pennsylvania. Operating hours, locations, phone/fax number, services information.
Irwin Post Office
Post Office in Irwin, Pennsylvania on Main St. Operating hours, phone number, services information, and other locations.
Address: 140 Main St, Irwin, PA 15642
Phone: 724-864-6790
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:30am - 4:30pmTuesday 8:30am - 4:30pm
Wednesday 8:30am - 4:30pm
Thursday 8:30am - 4:30pm
Friday 8:30am - 4:30pm
Saturday 8:30am - 12:00pm
Sunday Closed
Lobby Hours
Monday 4:45pmTuesday 4:45pm
Wednesday 4:45pm
Thursday 4:45pm
Friday 4:45pm
Saturday 12:00pm
Sunday Closed
Last Collection Times
Monday 10:00am - 3:15pmTuesday 10:00am - 3:15pm
Wednesday 10:00am - 3:15pm
Thursday 10:00am - 3:15pm
Friday 10:00am - 3:15pm
Saturday 9:00am - 11:00am
Sunday Closed