720 Area Code Data

Area code 720 has a total estimated population of 1,460,120 people and covers the following localities in Colorado:

  • Allenspark
  • Arvada
  • Aurora
  • Bailey
  • Boulder
  • Brighton
  • Broomfield
  • Castle Rock
  • Commerce City
  • Deer Trail
  • Denver
  • Englewood
  • Georgetown
  • Golden
  • Hudson
  • Keenesburg
  • Littleton
  • Longmont
  • Louisville
  • Parker
  • Westminster

The (720) area code is comprised of 443 unique phone exchanges: