Area codes
United States

List of zones
Communication tower

Illinois

Phone prefixes often called an area code or city code, which is a set of digits forming the most-significant part of the dialing sequence to reach a telephone subscriber. Including how to dial each city using the current dialing system. Sorted by city in alphabetical order for Illinois United States

  • Illinois
    Addison
    630 + 7 Digits
  • Illinois
    Addison
    331 + 7 Digits
  • Illinois
    Algonquin
    847 + 7 Digits
  • Illinois
    Algonquin
    224 + 7 Digits
  • Illinois
    Arlington Heights
    847 + 7 Digits
  • Illinois
    Arlington Heights
    224 + 7 Digits
  • Illinois
    Bartlett
    331 + 7 Digits
  • Illinois
    Bartlett
    630 + 7 Digits
  • Illinois
    Batavia
    331 + 7 Digits
  • Illinois
    Batavia
    630 + 7 Digits
  • Illinois
    Belleville
    618 + 7 Digits
  • Illinois
    Bellwood
    708 + 7 Digits
  • Illinois
    Belvidere
    779 + 7 Digits
  • Illinois
    Belvidere
    815 + 7 Digits
  • Illinois
    Bensenville
    331 + 7 Digits
  • Illinois
    Bensenville
    630 + 7 Digits
  • Illinois
    Berwyn
    708 + 7 Digits
  • Illinois
    Bloomingdale
    331 + 7 Digits
  • Illinois
    Bloomingdale
    630 + 7 Digits
  • Illinois
    Bloomington
    309 + 7 Digits
  • Illinois
    Blue Island
    708 + 7 Digits
  • Illinois
    Bolingbrook
    331 + 7 Digits
  • Illinois
    Bolingbrook
    630 + 7 Digits
  • Illinois
    Buffalo Grove
    224 + 7 Digits
  • Illinois
    Buffalo Grove
    847 + 7 Digits
  • Illinois
    Burbank
    708 + 7 Digits
  • Illinois
    Calumet City
    708 + 7 Digits
  • Illinois
    Carbondale
    618 + 7 Digits
  • Illinois
    Carol Stream
    630 + 7 Digits
  • Illinois
    Carol Stream
    331 + 7 Digits
  • Illinois
    Carpentersville
    224 + 7 Digits
  • Illinois
    Carpentersville
    847 + 7 Digits
  • Illinois
    Champaign
    217 + 7 Digits
  • Illinois
    Charleston
    217 + 7 Digits
  • Illinois
    Chicago Heights
    708 + 7 Digits
  • Illinois
    Cicero
    708 + 7 Digits
  • Illinois
    Collinsville
    618 + 7 Digits
  • Illinois
    Crystal Lake
    779 + 7 Digits
  • Illinois
    Crystal Lake
    815 + 7 Digits
  • Illinois
    Danville
    217 + 7 Digits
  • Illinois
    Darien
    630 + 7 Digits
  • Illinois
    Darien
    331 + 7 Digits
  • Illinois
    Decatur
    217 + 7 Digits
  • Illinois
    DeKalb
    779 + 7 Digits
  • Illinois
    DeKalb
    815 + 7 Digits
  • Illinois
    Des Plaines
    847 + 7 Digits
  • Illinois
    Des Plaines
    224 + 7 Digits
  • Illinois
    Dolton
    708 + 7 Digits
  • Illinois
    Downers Grove
    331 + 7 Digits
  • Illinois
    Downers Grove
    630 + 7 Digits
  • Illinois
    East Alton
    618 + 7 Digits
  • Illinois
    East Moline
    309 + 7 Digits
  • Illinois
    East Peoria
    309 + 7 Digits
  • Illinois
    East Saint Louis
    618 + 7 Digits
  • Illinois
    Edwardsville
    618 + 7 Digits
  • Illinois
    Elk Grove Village
    224 + 7 Digits
  • Illinois
    Elk Grove Village
    847 + 7 Digits
  • Illinois
    Elmhurst
    630 + 7 Digits
  • Illinois
    Elmhurst
    331 + 7 Digits
  • Illinois
    Elmwood Park
    708 + 7 Digits