Post Offices

Post Offices in & near Athol Junction, Massachusetts. Operating hours, locations, phone/fax number, services information.

Mason Squar Post Office

Mason Square Post Office in Springfield, Massachusetts on State St. Operating hours, phone number, services information, and other locations.

Address: 914 State St, Springfield, MA 01109
Phone: 413-733-5331
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 9:00am - 4:00pm
Tuesday 9:00am - 4:00pm
Wednesday 9:00am - 4:00pm
Thursday 9:00am - 4:00pm
Friday 9:00am - 4:00pm
Saturday 9:00am - 1:00pm
Sunday Closed

Lobby Hours

Monday 8:00am - 4:00pm
Tuesday 8:00am - 4:00pm
Wednesday 8:00am - 4:00pm
Thursday 8:00am - 4:00pm
Friday 8:00am - 4:00pm
Saturday 7:30am - 1:00pm
Sunday Closed

Last Collection Times

Monday 3:45pm
Tuesday 3:45pm
Wednesday 3:45pm
Thursday 3:45pm
Friday 3:45pm
Saturday 12:30pm
Sunday Closed