Montclair Post Office

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

8275 E 11th Ave, Denver, CO 80220

Contact Numbers

Phone: 303-333-2305
Fax: 303-322-2314
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 1:00pm
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • 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)
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Sure Money
  • 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:

Fletcher
1550 Dayton St
0.8 mile away

Park Hill
3355 Hudson St
1.8 miles away

Buckingham
1074 S Ironton St Unit D
1.9 miles away

Hoffman Heights
738 Peoria St Ste D
1.9 miles away

Reviews

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Great post office. Keep up the good work.
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I mailed a package and the wrong zip code was but on it by the Chandler AZ post office. So it went to this post office and delivered to the wrong address. The Glendale office located it for me. Thank you Glendale. Called and Called the Montclair post office and NO answer over and over again. Finaly get an answer and Mary Ann (very nice) asked the carrier to get the package back, but it was never delivered and went back the to Montclair office and has been locked up in an office NO ONE can get into but the manager and she is NOT there for days. Been in that lock up room since Oct. 19. I have given them the correct location and still can't get it delivered. Even the Glendale office called me back to try and help. This is crazy. Why can't someone get in there and send my package to the right post office to be delivered? My reciever even offered to go get it. But no KEY. I would like my money back for the large flat rate box Priority Mail I paid for.
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This mail service is HORRIBLE 😠 I never receive my mail until after 6pm. I'm expecting an important letter which was mailed out on Thursday Sept 13 from Arvada CO, it's now the 23rd and I still haven't received it. It had better not have been delivered to a wrong address.WHERES MY MAIL?. IT ALSO DIDN'T COME TILL 9pm. We get a different carrier every day! This is just beyond ridiculous.
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I have been trying to call the Post Office with the zip code of 80220 since 9:00 a.m. It just rings and rings and rings. Does no one work there? I live in West Virginia and sent a package to my granddaughter on August 13, 2020. It says that it was delivered, but it was not delivered to the correct address. It clearly had her name on it and I am trying to find out what happened to it. You would think anyone that received the package would return it to the post office if their name wasn't the same as the addressee. I can't get anyone to answer my phone call. Am I calling the wrong number or do people see my number and just don't want to answer it? I don't get it. I've been calling 303-333-2305 and no one will answer. Any suggestions?
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I am so sick of my Mail not being delivered until at least after 6pm EVERY SINGLE DAY, sometimes it's been almost 9pm before it gets delivered. When our regular so called mailman is out sick and someone else does his route the mail is never later than 3pm or 4pm. The other mailman who does south of 13th Ave.is always hours earlier than what we get. Have lived in this house since 1972 and have never had our mail this late, half the time we get other peoples mail and they get ours, most incompetent man I've ever seen.
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I mailed from my home in Iowa to my son in Denver. I put a tracking number on it as well. My son never received it. He has created a case to find out where this piece of mail is. This is ridiculous to have to go thru this!
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The parking lot at this location is just awful! I drove my brand new car thru to drop letters in the boxes out front Sunday night and the pot hole I hit almost swallowed us up! And it's not just that drive thru lane that is bad-the entire place needs resurfaced and soon!
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We have been receiving the wrong mail addressees mail consistabtly for the last 3-4 months as well as our mail being delayed after mail holds.
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We have not received any mail in 2 days. I call my post office at all hours of the day and no one answers the phone. I call the USpostal service 800 line and the wait is over an hour to talk with someone. This lack of service would not be tolerated anywhere else! Where is my mail? My list office is Montclair
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I live in Mayfair and have not received mail since July3. It is now July 9. No one answers the phone at my post office EVER ~ Montclair location. Would someone please tell me what's going on?
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Have been calling repeatedly for 5 hours - no answer, just keeps ringing and then a ear piercing tone. They have been holding a package with a wrong delivery zip code for .......................14 days!!!!! Nothing the vendor can do as it should have been returned. What do I have to do - drive 1 hour to get to their office.
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We are disappointed this post office never answers the phone. Other post offices do answer but we have tried calling for five days.
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Been in line for forty minutes to pick up a package. Still 15 people in line and only one clerk
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One clerk on duty and fifteen people in line...good enough for government I suppose
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