Sidney Post Office

101 W Holly St, Sidney, MT 59270

Contact Numbers

Phone: 406-482-2107
Fax: 406-482-1759
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 3:30pm
Tuesday 3:30pm
Wednesday 3:30pm
Thursday 3:30pm
Friday 3:30pm
Saturday 3:30pm
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 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
  • Street Parking

Visit our Links Page for links to 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:

Crane
117 Garfield Ave
6.9 miles away

Fairview
515 S Ellery Ave
7.0 miles away

Cartwright
204 Main St
10.8 miles away

Savage
264 Main St
13.0 miles away

Reviews

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I am complaining about poor mail delivery on 6th ST SE. No mail was delivered on Saturday, March 11th, although the mail delivery van was in the area.
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