Post Offices
Post Offices in & near Ayer, Massachusetts. Operating hours, locations, phone/fax number, services information.
Ayer Post Office
Post Office in Ayer, Massachusetts on Columbia St. Operating hours, phone number, services information, and other locations.
Address: 1 Columbia St, Ayer, MA 01432
Phone: 978-772-6896
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
Retail Hours
Monday 8:30am - 5:00pmTuesday 8:30am - 5:00pm
Wednesday 8:30am - 5:00pm
Thursday 8:30am - 5:00pm
Friday 8:30am - 5:00pm
Saturday 9:00am - 12:00pm
Sunday Closed
Lobby Hours
Monday 5:30pmTuesday 5:30pm
Wednesday 5:30pm
Thursday 5:30pm
Friday 5:30pm
Saturday 2:45pm
Sunday Closed
Last Collection Times
Monday 9:00am - 3:00pmTuesday 9:00am - 3:00pm
Wednesday 9:00am - 3:00pm
Thursday 9:00am - 3:00pm
Friday 9:00am - 3:00pm
Saturday 9:00am - 11:00am
Sunday Closed