US Area Code
720
Denver · Colorado
Area code 720 serves Denver, Aurora, Lakewood and surrounding areas in Colorado. Look up any 720 number below to check for spam, see caller ID, carrier, and line type.
Area Code Details
- State / Territory
- Colorado
- Region
- Denver
- Major Cities
- Denver, Aurora, Lakewood
- Timezone
- Mountain Time
- Country
- United States
- Format
- +1 (720) XXX-XXXX