Area code lookup
What area code is 720?
Here's everything about it.
Instant lookup for the 720 area code — location, time zone, cities served, and who's been calling from it. No sign-up, no app.
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Caller ID · NPA-NXX-XXXXLive
Area code
720
Location
Denver (overlay), CO
Local time
--:--:-- --
Denver (overlay)
720 at a glance
SummaryState
Colorado
Time zone
Mountain (MT)
UTC offset
UTC−7 / −6 DST
Observes DST
Yes
Country
United States
Cities served by 720
Denver (overlay)Denver (overlay)
Where 720 sits on the map
No overlayCoverage area
About the 720 region
720 covers Denver (overlay) in Colorado. It currently has no overlay code, so seven-digit dialing may still be possible within the region.
Who called me from 720?
Community reportsNo community reports for 720 numbers yet. Be the first to report one.
Got a call from 720 that isn't listed?
Frequently asked questions
FAQWhat area code is 720?+–
720 is a telephone area code serving Denver (overlay) in Colorado, United States.
Where is area code 720 located?+–
It covers Denver (overlay) in Colorado.
What time zone is 720?+–
720 observes Mountain (MT), which is UTC−7 / −6 DST and follows daylight saving time.
Can I get a 720 phone number?+–
Yes — most mobile carriers and VoIP providers let you request a 720 number regardless of where you physically live.