Dillon Post Office

117 S Idaho St, Dillon, MT 59725

Contact Numbers

Phone: 406-683-2841
Fax: 406-683-6719
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 3:20pm
Tuesday 3:20pm
Wednesday 3:20pm
Thursday 3:20pm
Friday 3:20pm
Saturday 3:20pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday 9:00am - 1:30pm
Tuesday 9:00am - 1:30pm
Wednesday 9:00am - 1:30pm
Thursday 9:00am - 1:30pm
Friday 9:00am - 1:30pm
Saturday Closed
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
  • Burial Flags
  • 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
  • Sure Money
  • Street 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:

228 Main St
16.7 miles away

Twin Bridges
101 S Main St
18.0 miles away

24 Main St
19.9 miles away

208 S Main St
20.1 miles away


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A very important package was mailed to me on Oct 10. It arrived in Dillon on 10/13 @ 9:05 AM. I DON'T HAVE IT. The tracking number is: 9505 5117 9923 7283 2160 38. My phone number is 683-5878. This contains needed medical information.


I've had two pieces of mail in my mailbox for the last two days and it has not been picked up, I have not received any incoming mail for the past two days either. Pretty irritated!

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