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Area Code SearchUSA
CO

Colorado area codes

Colorado has 4 area codes in our directory — 303, 719, 720, 970. Pick one for its map, live local time, coverage and dialing rules.

Map of Colorado area codes

39.7244, -104.9716

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Area codes in Colorado. Tap a pin to open that code’s page.

Area codes in Colorado. Tap a pin to open that code’s page.
Codes

Area codes in Colorado

303Mountain
Denver
Colorado
3:24:22 PMView →
719Mountain
Colorado Springs
Colorado
3:24:22 PMView →
720Mountain
Denver
Colorado
3:24:22 PMView →
970Mountain
Fort Collins
Colorado
3:24:22 PMView →
Coverage

Cities in Colorado

  • Denver
  • Aurora
  • Boulder
  • Lakewood
  • Arvada
  • Westminster
  • Littleton
  • Colorado Springs
  • Pueblo West
  • Security-Widefield
  • Centennial
  • Fort Collins
  • Greeley
  • Loveland
  • Grand Junction

Browse every area code in the directory.