Post Offices

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

Sidney Post Office

Post Office in Sidney, Montana on W Holly St. Operating hours, phone number, services information, and other locations.

Address: 101 W Holly St, Sidney, MT 59270
Phone: 406-482-2107
Fax: 406-482-1759
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 9:00am - 4:45pm
Tuesday 9:00am - 4:45pm
Wednesday 9:00am - 4:45pm
Thursday 9:00am - 4:45pm
Friday 9:00am - 4:45pm
Saturday 9:00am - 11:00am
Sunday Closed

Lobby Hours

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

Last Collection Times

Monday 9:00am - 2:00pm
Tuesday 9:00am - 3:00pm
Wednesday 9:00am - 3:00pm
Thursday 9:00am - 3:00pm
Friday 9:00am - 3:00pm
Saturday Closed
Sunday Closed