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The 720 area code is located in the state of Colorado, and according to Intelius data, covers roughly 1,531,689 phone numbers. Denver Dry Creek is the largest city within this area code with a population of about 713,252.
Have you received a call from a number with a 720 area code? Figure out who is calling you by performing a reverse phone lookup search. Intelius can provide you with a phone report that includes (when available) original line type and carrier, the number owner’s name, last known address and past addresses, age, possible relatives, and more.
| County | Denver |
|---|---|
| Population | 713,252 |
| County | Weld |
|---|---|
| Population | 350,176 |
| County | Boulder |
|---|---|
| Population | 327,468 |
