Post Offices

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

Merrima Post Office

Post Office in Merrimac, Massachusetts on E Main St. Operating hours, phone number, services information, and other locations.

Address: 79 E Main St, Merrimac, MA 01860
Phone: 978-346-7400
Fax: 978-664-1875
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 9:00am - 12:30pm, 1:30pm - 5:00pm
Tuesday 9:00am - 12:30pm, 1:30pm - 5:00pm
Wednesday 9:00am - 12:30pm, 1:30pm - 5:00pm
Thursday 9:00am - 12:30pm, 1:30pm - 5:00pm
Friday 9:00am - 12:30pm, 1:30pm - 5:00pm
Saturday 9:00am - 12:00pm
Sunday Closed

Lobby Hours

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 4:15pm
Sunday Closed

Last Collection Times

Monday 10:00am - 11:00am, 2:00pm - 4:00pm
Tuesday 10:00am - 11:00am, 2:00pm - 4:00pm
Wednesday 10:00am - 11:00am, 2:00pm - 4:00pm
Thursday 10:00am - 11:00am, 2:00pm - 4:00pm
Friday 10:00am - 11:00am, 2:00pm - 4:00pm
Saturday Closed
Sunday Closed