723 Area Code Information

State: IL

Largest City in Area: CHICAGO

Where is Area Code 723? Area code (723) is in the state of IL. Below, are the major cities in the area code (723).

Major Cities in 723

  • CHICAGO, IL (288)
  • HOUSTON, TX (206)
  • LOS ANGELES, CA (144)
  • BROOKLYN, NY (137)
  • PHOENIX, AZ (119)
  • PHILADELPHIA, PA (118)
  • NEW YORK, NY (112)
  • ORLANDO, FL (101)
  • SAN DIEGO, CA (100)
  • DALLAS, TX (98)

Zip Codes in 723

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