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Home » USA Area Codes » Illinois

What is the area code(s) for Illinois state?

The area code(s) of Illinois is 217, 224, 309, 312, 331, 618, 630, 708, 773, 779, 815, 847,

Cities of Illinois

  • Champaign
  • Algonquin
  • Bloomington
  • West Chicago
  • Addison
  • East Alton
  • Bellwood
  • Belvidere
    • Click here to find US Area Code List

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