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
    North Chicago
    847 + 7 Digits
  • Illinois
    Northbrook
    224 + 7 Digits
  • Illinois
    Northbrook
    847 + 7 Digits
  • Illinois
    O'Fallon
    618 + 7 Digits
  • Illinois
    Oak Forest
    708 + 7 Digits
  • Illinois
    Oak Lawn
    708 + 7 Digits
  • Illinois
    Oak Park
    708 + 7 Digits
  • Illinois
    Orland Park
    708 + 7 Digits
  • Illinois
    Palatine
    224 + 7 Digits
  • Illinois
    Palatine
    847 + 7 Digits
  • Illinois
    Park Forest
    708 + 7 Digits
  • Illinois
    Park Ridge
    224 + 7 Digits
  • Illinois
    Park Ridge
    847 + 7 Digits
  • Illinois
    Pekin
    309 + 7 Digits
  • Illinois
    Peoria
    309 + 7 Digits
  • Illinois
    Quincy
    217 + 7 Digits
  • Illinois
    Rock Island
    309 + 7 Digits
  • Illinois
    Rockford
    779 + 7 Digits
  • Illinois
    Rockford
    815 + 7 Digits
  • Illinois
    Rolling Meadows
    224 + 7 Digits
  • Illinois
    Rolling Meadows
    847 + 7 Digits
  • Illinois
    Romeoville
    779 + 7 Digits
  • Illinois
    Romeoville
    815 + 7 Digits
  • Illinois
    Roselle
    331 + 7 Digits
  • Illinois
    Roselle
    630 + 7 Digits
  • Illinois
    Round Lake Beach
    224 + 7 Digits
  • Illinois
    Round Lake Beach
    847 + 7 Digits
  • Illinois
    Saint Charles
    331 + 7 Digits
  • Illinois
    Saint Charles
    630 + 7 Digits
  • Illinois
    Schaumburg
    224 + 7 Digits
  • Illinois
    Schaumburg
    847 + 7 Digits
  • Illinois
    Skokie
    224 + 7 Digits
  • Illinois
    Skokie
    847 + 7 Digits
  • Illinois
    South Elgin
    224 + 7 Digits
  • Illinois
    South Elgin
    847 + 7 Digits
  • Illinois
    South Holland
    708 + 7 Digits
  • Illinois
    Springfield
    217 + 7 Digits
  • Illinois
    Streamwood
    331 + 7 Digits
  • Illinois
    Streamwood
    630 + 7 Digits
  • Illinois
    Tinley Park
    708 + 7 Digits
  • Illinois
    Urbana
    217 + 7 Digits
  • Illinois
    Vernon Hills
    224 + 7 Digits
  • Illinois
    Vernon Hills
    847 + 7 Digits
  • Illinois
    Villa Park
    331 + 7 Digits
  • Illinois
    Villa Park
    630 + 7 Digits
  • Illinois
    Waukegan
    224 + 7 Digits
  • Illinois
    Waukegan
    847 + 7 Digits
  • Illinois
    West Chicago
    312 + 7 Digits
  • Illinois
    West Chicago
    331 + 7 Digits
  • Illinois
    West Chicago
    630 + 7 Digits
  • Illinois
    West Chicago
    773 + 7 Digits
  • Illinois
    Westmont
    331 + 7 Digits
  • Illinois
    Westmont
    630 + 7 Digits
  • Illinois
    Wheaton
    331 + 7 Digits
  • Illinois
    Wheaton
    630 + 7 Digits
  • Illinois
    Wheeling
    224 + 7 Digits
  • Illinois
    Wheeling
    847 + 7 Digits
  • Illinois
    Wilmette
    224 + 7 Digits
  • Illinois
    Wilmette
    847 + 7 Digits
  • Illinois
    Woodridge
    331 + 7 Digits