Westminster Post Office

NOTICE: The Postal Service is an essential government service, and will remain open wherever possible.

3051 W 105th Ave, Westminster, CO 80031

Contact Numbers

Phone: 303-464-9941
Fax: 303-464-0396
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 5:30pm
Tuesday 5:30pm
Wednesday 5:30pm
Thursday 5:30pm
Friday 5:30pm
Saturday 4:30pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday 10:00am - 1:30pm, 2:30pm - 4:00pm
Tuesday 10:00am - 1:30pm, 2:30pm - 4:00pm
Wednesday 10:00am - 1:30pm, 2:30pm - 4:00pm
Thursday 10:00am - 1:30pm, 2:30pm - 4:00pm
Friday 10:00am - 1:30pm, 2:30pm - 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
  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Packaged Stamps
  • 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:

Northview
850 W 112th Ave
1.2 miles away

Broomfield
280 E 1st Ave
2.0 miles away

Northglenn
11887 Washington St
2.1 miles away

Thornton
8804 Washington St
2.3 miles away

Reviews

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Have item key for package but key will not work to open box 10956 Bryant st Jaramillo. Frank 3035904663
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My mail never seems to get delivered until very late every day and today mail person parked in front of my home and never delivered or picked up my mail I needed taken to post office. Why can’t we get a regular delivery person in our neighborhood????
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why are you using my post office as a cell phone emitter Tower? the long-term effects of these exposures are not known
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what is the 7262 mead st ph#
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