Contact Us


201 W Colfax Ave, First Floor
Denver, CO 80202


7am - 8pm, Monday thru Friday
8am to 5pm, Saturday and Sunday

Get Help Now

Report a problem online, or via mobile app 24/7, to get help with city services or check the status of your request.

Or Contact 311 By Phone

Within Denver dial: 3-1-1 Outside Denver: 720-913-1311

How To

"How To" Denver Videos

Watch instructional videos to get answers to your questions about motor vehicle registration, missed trash collection, and more.

New Mobile App

Download 311 phone AppDownload our 311
mobile app.
iPhone | Android

Visit our 311 mobile website.

Scan this code to access our  311 mobile website.

(You can use any smartphone scanner app)