618 Area Code Information

State: IL

Largest City in Area: BELLEVILLE

Where is Area Code 618? Area code (618) is in the state of IL. Below, are the major cities in the area code (618).

Major Cities in 618

  • BELLEVILLE, IL (453,662)
  • EAST SAINT LOUIS, IL (278,161)
  • SAINT LOUIS, MO (233,586)
  • GRANITE CITY, IL (210,280)
  • COLLINSVILLE, IL (197,715)
  • ALTON, IL (195,463)
  • O FALLON, IL (176,799)
  • EDWARDSVILLE, IL (166,237)
  • CARBONDALE, IL (147,441)
  • FAIRVIEW HEIGHTS, IL (122,035)

Zip Codes in 618

  • 62801
  • 62803
  • 62806
  • 62807
  • 62808
  • 62809
  • 62810
  • 62811
  • 62812
  • 62814
  • 62815
  • 62816
  • 62817
  • 62818
  • 62819
  • 62820
  • 62821
  • 62822
  • 62823
  • 62824

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