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
    Evanston
    224 + 7 Digits
  • Illinois
    Evanston
    847 + 7 Digits
  • Illinois
    Evergreen Park
    708 + 7 Digits
  • Illinois
    Freeport
    815 + 7 Digits
  • Illinois
    Freeport
    779 + 7 Digits
  • Illinois
    Galesburg
    309 + 7 Digits
  • Illinois
    Glen Ellyn
    331 + 7 Digits
  • Illinois
    Glen Ellyn
    630 + 7 Digits
  • Illinois
    Glendale Heights
    331 + 7 Digits
  • Illinois
    Glendale Heights
    630 + 7 Digits
  • Illinois
    Glenview
    847 + 7 Digits
  • Illinois
    Glenview
    224 + 7 Digits
  • Illinois
    Granite City
    618 + 7 Digits
  • Illinois
    Gurnee
    224 + 7 Digits
  • Illinois
    Gurnee
    847 + 7 Digits
  • Illinois
    Hanover Park
    331 + 7 Digits
  • Illinois
    Hanover Park
    630 + 7 Digits
  • Illinois
    Harvey
    708 + 7 Digits
  • Illinois
    Highland Park
    224 + 7 Digits
  • Illinois
    Highland Park
    847 + 7 Digits
  • Illinois
    Hoffman Estates
    224 + 7 Digits
  • Illinois
    Hoffman Estates
    847 + 7 Digits
  • Illinois
    Joliet
    815 + 7 Digits
  • Illinois
    Joliet
    779 + 7 Digits
  • Illinois
    Kankakee
    815 + 7 Digits
  • Illinois
    Kankakee
    779 + 7 Digits
  • Illinois
    Lake Forest
    224 + 7 Digits
  • Illinois
    Lake Forest
    847 + 7 Digits
  • Illinois
    Lake in the Hills
    224 + 7 Digits
  • Illinois
    Lake in the Hills
    847 + 7 Digits
  • Illinois
    Lansing
    708 + 7 Digits
  • Illinois
    Libertyville
    224 + 7 Digits
  • Illinois
    Libertyville
    847 + 7 Digits
  • Illinois
    Lisle
    331 + 7 Digits
  • Illinois
    Lisle
    630 + 7 Digits
  • Illinois
    Lombard
    331 + 7 Digits
  • Illinois
    Lombard
    630 + 7 Digits
  • Illinois
    Loves Park
    815 + 7 Digits
  • Illinois
    Loves Park
    779 + 7 Digits
  • Illinois
    Machesney Park
    815 + 7 Digits
  • Illinois
    Machesney Park
    779 + 7 Digits
  • Illinois
    Maywood
    708 + 7 Digits
  • Illinois
    McHenry
    779 + 7 Digits
  • Illinois
    McHenry
    815 + 7 Digits
  • Illinois
    Melrose Park
    708 + 7 Digits
  • Illinois
    Moline
    309 + 7 Digits
  • Illinois
    Morton Grove
    224 + 7 Digits
  • Illinois
    Morton Grove
    847 + 7 Digits
  • Illinois
    Mount Prospect
    224 + 7 Digits
  • Illinois
    Mount Prospect
    847 + 7 Digits
  • Illinois
    Mundelein
    224 + 7 Digits
  • Illinois
    Mundelein
    847 + 7 Digits
  • Illinois
    Naperville
    331 + 7 Digits
  • Illinois
    Naperville
    630 + 7 Digits
  • Illinois
    Niles
    224 + 7 Digits
  • Illinois
    Niles
    847 + 7 Digits
  • Illinois
    Normal
    309 + 7 Digits
  • Illinois
    North Aurora
    331 + 7 Digits
  • Illinois
    North Aurora
    630 + 7 Digits
  • Illinois
    North Chicago
    224 + 7 Digits