Mc Allister Post Office

5557 Us Highway 287, Mc Allister, MT 59740

Contact Numbers

Phone: 406-682-4503
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 1:45pm
Tuesday 1:45pm
Wednesday 1:45pm
Thursday 1:45pm
Friday 1:45pm
Saturday 10:00am
Sunday Closed

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

  • 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:

Ennis
81 Mt Highway 287
4.0 miles away

Norris
6536 Us Highway 287
5.4 miles away

Cameron
3787 Us Highway 287 N
9.8 miles away

Virginia City
209 W Wallace
10.4 miles away

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