Post Offices

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

Ulm Post Office

Post Office in Ulm, Montana on Millegan Rd. Operating hours, phone number, services information, and other locations.

Address: 6 Millegan Rd, Ulm, MT 59485
Phone: 406-866-3580
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457

Retail Hours

Monday 8:15am - 11:30am, 12:00pm - 2:45pm
Tuesday 8:15am - 11:30am, 12:00pm - 2:45pm
Wednesday 8:15am - 11:30am, 12:00pm - 2:45pm
Thursday 8:15am - 11:30am, 12:00pm - 2:45pm
Friday 8:15am - 11:30am, 12:00pm - 2:45pm
Saturday 8:30am - 9:30am
Sunday Closed

Lobby Hours

Monday 2:45pm
Tuesday 2:45pm
Wednesday 2:45pm
Thursday 2:45pm
Friday 2:45pm
Saturday 9:30am
Sunday Closed

Last Collection Times

Monday 9:15am - 11:30am, 12:00pm - 1:45pm
Tuesday 9:15am - 11:30am, 12:00pm - 1:45pm
Wednesday 9:15am - 11:30am, 12:00pm - 1:45pm
Thursday 9:15am - 11:30am, 12:00pm - 1:45pm
Friday 9:15am - 11:30am, 12:00pm - 1:45pm
Saturday Closed
Sunday Closed