Post Offices

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

Chinook Post Office

Post Office in Chinook, Montana on 3rd St W. Operating hours, phone number, services information, and other locations.

Address: 113 3rd St W, Chinook, MT 59523
Phone: 406-357-3190
Fax: 406-357-3189
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 9:00am - 1:00pm, 2:00pm - 4:30pm
Tuesday 9:00am - 1:00pm, 2:00pm - 4:30pm
Wednesday 9:00am - 1:00pm, 2:00pm - 4:30pm
Thursday 9:00am - 1:00pm, 2:00pm - 4:30pm
Friday 9:00am - 1:00pm, 2:00pm - 4:30pm
Saturday Closed
Sunday Closed

Lobby Hours

Monday 4:30pm
Tuesday 4:30pm
Wednesday 4:30pm
Thursday 4:30pm
Friday 4:30pm
Saturday 11:30am
Sunday Closed

Last Collection Times

Monday 9:00am - 12:45pm, 2:00pm - 4:00pm
Tuesday 9:00am - 12:45pm, 2:00pm - 4:00pm
Wednesday 9:00am - 12:45pm, 2:00pm - 4:00pm
Thursday 9:00am - 12:45pm, 2:00pm - 4:00pm
Friday 9:00am - 12:45pm, 2:00pm - 4:00pm
Saturday Closed
Sunday Closed