Post Offices

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

Lancaster Post Office

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

Address: 771 Main St, Lancaster, MA 01523
Phone: 978-365-4923
Fax: 978-368-6676
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 9:00am - 12:30pm, 1:30pm - 4:30pm
Tuesday 9:00am - 12:30pm, 1:30pm - 4:30pm
Wednesday 9:00am - 12:30pm, 1:30pm - 4:30pm
Thursday 9:00am - 12:30pm, 1:30pm - 4:30pm
Friday 9:00am - 12:30pm, 1:30pm - 4:30pm
Saturday 9:00am - 12:00pm
Sunday Closed

Lobby Hours

Monday 4:45pm
Tuesday 4:45pm
Wednesday 4:45pm
Thursday 4:45pm
Friday 4:45pm
Saturday 12:00pm
Sunday Closed

Last Collection Times

Monday 9:15am - 12:00pm, 1:45pm - 3:45pm
Tuesday 9:15am - 12:00pm, 1:45pm - 3:45pm
Wednesday 9:15am - 12:00pm, 1:45pm - 3:45pm
Thursday 9:15am - 12:00pm, 1:45pm - 3:45pm
Friday 9:15am - 12:00pm, 1:45pm - 3:45pm
Saturday 9:15am - 11:15am
Sunday Closed