Simms Post Office

310 N Main St, Simms, MT 59477

Contact Numbers

Phone: 406-264-5128
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

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 4:45pm
Tuesday 4:45pm
Wednesday 4:45pm
Thursday 4:45pm
Friday 4:45pm
Saturday 9:45am
Sunday Closed

Bulk Mail Acceptance Hours

Monday 1:00pm - 4:45pm
Tuesday 1:00pm - 4:45pm
Wednesday 1:00pm - 4:45pm
Thursday 1:00pm - 4:45pm
Friday 1:00pm - 4:45pm
Saturday 8:00am - 9:45am
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Bulk Mail Acceptance
  • Bulk Mail Account Balance
  • Bulk Mail New Permit
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Lot Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Fort Shaw
13356 Mt Highway 200
4.8 miles away

Fairfield
409 1st Ave S
5.2 miles away

Sun River
220 W Carroll St
8.5 miles away

Cascade
105 3rd Ave S
12.8 miles away

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