Post Offices

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

Decker Post Office

Post Office in Decker, Montana on Highway 314. Operating hours, phone number, services information, and other locations.

Address: 1 Highway 314, Decker, MT 59025
Phone: 406-757-2484
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:00am - 12:00pm, 12:30pm - 2:30pm
Tuesday 8:00am - 12:00pm, 12:30pm - 2:30pm
Wednesday 8:00am - 12:00pm, 12:30pm - 2:30pm
Thursday 8:00am - 12:00pm, 12:30pm - 2:30pm
Friday 8:00am - 12:00pm, 12:30pm - 2:30pm
Saturday 9:30am - 11:30am
Sunday Closed

Lobby Hours

Monday 24 hours
Tuesday 24 hours
Wednesday 24 hours
Thursday 24 hours
Friday 24 hours
Saturday 24 hours
Sunday 24 hours

Last Collection Times

Monday 1:00pm
Tuesday 1:00pm
Wednesday 1:00pm
Thursday 1:00pm
Friday 1:00pm
Saturday 11:15am
Sunday Closed