Post Offices

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

Denn Post Office

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

Address: 788 Main St, Dennis, MA 02638
Phone: 508-385-6834
Fax: 508-385-7293
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 10:00am - 12:00pm
Sunday Closed

Lobby Hours

Monday 6:00am - 4:30pm
Tuesday 6:00am - 4:30pm
Wednesday 6:00am - 4:30pm
Thursday 6:00am - 4:30pm
Friday 6:00am - 4:30pm
Saturday 6:00am - 12:30pm
Sunday Closed

Last Collection Times

Monday 4:15pm
Tuesday 4:15pm
Wednesday 4:15pm
Thursday 4:15pm
Friday 4:15pm
Saturday 12:00pm
Sunday Closed