Post Offices

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

Colstr Post Office

Post Office in Colstrip, Montana on Locust St. Operating hours, phone number, services information, and other locations.

Address: 6 Locust St, Colstrip, MT 59323
Phone: 406-748-2100
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 9:00am - 5:00pm
Tuesday 9:00am - 5:00pm
Wednesday 9:00am - 5:00pm
Thursday 9:00am - 5:00pm
Friday 9:00am - 5:00pm
Saturday 9:30am - 11:30am
Sunday Closed

Lobby Hours

Monday 3:00pm
Tuesday 3:00pm
Wednesday 3:00pm
Thursday 3:00pm
Friday 3:00pm
Saturday 11:30am
Sunday Closed

Last Collection Times

Monday 9:00am - 5:00pm
Tuesday 9:00am - 5:00pm
Wednesday 9:00am - 5:00pm
Thursday 9:00am - 5:00pm
Friday 9:00am - 5:00pm
Saturday Closed
Sunday Closed