720 Area Code Phone Numbers

Where is Area Code 720?

The 720 area code is assigned to Colorado. Area code 720 is one of 0 three-digit telephone area codes in the America. There are about 0 unique phone numbers and 0 individuals near the cities of Denver,Aurora,Lakewood.

Major City:Denver
Current Time: 15:1pm

Major Cities in 720 Area Code

  • Denver
  • Aurora
  • Lakewood
  • Thornton
  • Arvada
  • Westminster
  • Centennial
  • Boulder
Area Code 720 Map
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