Windsor Post Office

215 6th St, Windsor, CO 80550

Contact Numbers

Phone: 970-674-0061
Fax: 970-686-7525
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 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 2:15pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday 10:00am - 3:00pm
Tuesday 10:00am - 3:00pm
Wednesday 10:00am - 3:00pm
Thursday 10:00am - 3:00pm
Friday 10:00am - 3:00pm
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
  • 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 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:

Win Carrier Annex
1070 Diamond Valley Dr Ste 500
1.0 miles away

320 1st St
2.8 miles away

4128 Main St
3.6 miles away

121 Castle Pines Ave
5.9 miles away


*Comments below are not read by postal employees. Please do not post personal information.

*By clicking Submit, you agree to our Privacy Policy & Terms of Use.


They can't handle their job they constantly receive then send it back to a distribution center then just say yeah it'll probably be on another week absolut trash service


I have lived in Windsor forty five years. USPS has been spot on but for the last two years. Lost bills sent to me, lost payments sent out. Interest and penalties. The other day we had three of our neighbors mail in our box. If the USPS is contracting out, you are not getting your money's worth.


12-14-2020 Just tried to drop off mail in your outside drop off boxes but they were completely full. Shouldn't that be checked very often? I shouldn't have to travel to the post office more than once! Thank you,


Wheres ourmail? Woodbine snapdragon sunflower neighbors are not getting mail. Been delivered once this week.


Called the Windsor USPS this morning first thing this morning and Sue answered the phone. She listened to my problem and helped me get a solution. I had called 18002758777 and they gave me incomplete information, unfortunately. Thank you so very much, Sue at the Windsor USPS office.


Sue at the Windsor office went out of her way to help track down a package for my 88 year old father. What a kind thing to do during the Christmas rush.


I am appalled at the number of mistakes made in delivery. It's almost daily. We are constantly ending up with our neighbors' mail, some of which are packages or look important. I understand that the occasional mix up happens, but I'm not kidding. It's nearly every time we check our mail. And we've had packages go missing. Now it's a week before Christmas and I've just been notified that a package was delivered to our box, but there is nothing there. It is unacceptable. Get it together!


Deliverer left neighborhood mailbox wide open and left so anyone can steal the mail and packages. Of course its 5 PM so they are closed, they have no phone # voicemail to report this so everything will probably be stolen in the morning. Constantly getting neighbors mail weekly as well. On the bright side I have met all my neighbors because I get to deliver their letters I receive in my mailbox.


The Customer Service provided by the two primary people at the front counter, Kary & Sandy is fantastic. They are efficient, patient, positive and know how to get it done! It's unfortunate they work for a local Post'master' who is a waddling example of why government (quasi) agencies are largely #failIt would be great if this location was updated to include a self-service shipping Kiosk with 24 hour access. In contrast to the value of a kiosk; there is a secondary postal location at a local bank, that is completely redundant, offering no additional value 1/3 of a mile up the road.

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