730 Area Code Information

State: CO

Largest City in Area: DENVER

Where is Area Code 730? Area code (730) is in the state of CO. Below, are the major cities in the area code (730).

Major Cities in 730

  • DENVER, CO (64)
  • ALEXANDRIA, VA (35)
  • AURORA, CO (32)
  • OCEANSIDE, CA (25)
  • ARLINGTON, VA (25)
  • SAN DIEGO, CA (23)
  • TOMS RIVER, NJ (23)
  • LAKEWOOD, CO (22)
  • FAIRFAX, VA (21)
  • SPRINGFIELD, VA (21)

Zip Codes in 730

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