Area code 720
Area code 720 is a telephone area code in the North American Numbering Plan. It serves Colorado, the United States.
- 720area code
- COColorado
- UScountry
- 1-Jun-98in service
How to dial a 720 number
From within the United States and Canada, dial 1, then 720, then the seven-digit number. From another country, dial your international access code, then +1 720 and the seven-digit number.
Area code 720 covers the same territory as 303 and 983. When several area codes share one area like this, it is called an overlay.
Other area codes in Colorado
Frequently asked questions
Where is area code 720?
Area code 720 serves Colorado, the United States.
What is the country code for a 720 number?
Numbers with North American area codes use the country calling code +1.