Boulder Post Office

7 State Highway 353, Boulder, WY 82923

Contact Numbers

Phone: 307-537-5623
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 2:00pm
Tuesday 2:00pm
Wednesday 2:00pm
Thursday 2:00pm
Friday 2:00pm
Saturday 9:45am
Sunday Closed

Bulk Mail Acceptance Hours

Monday 11:00am - 3:00pm, 3:30pm - 4:00pm
Tuesday 11:00am - 3:00pm, 3:30pm - 4:00pm
Wednesday 11:00am - 3:00pm, 3:30pm - 4:00pm
Thursday 11:00am - 3:00pm, 3:30pm - 4:00pm
Friday 11:00am - 3:00pm, 3:30pm - 4:00pm
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
  • 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:

413 Pine St
7.6 miles away

5 Noble Rd
12.9 miles away

12958 State Highway 189
14.9 miles away

Big Piney
420 Budd Ave
17.9 miles away


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The rudest people you will ever encounter work at this place. If you want a lecture on how you should get your mail delivered all means stop here and speak to the grouchy old lady.

* is not a part of, or affiliated with, the official United States Postal Service (USPS).