Country Codes for USA / United States
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HomeICountry Codes for Illinois

country code Illinois - country code 1

La Salle    Chicago suburbs    Chicago    Joliet    Waukegan    Chicago-Metro Area    Cairo    Springfield    Rockford    Rock Island    Champaign-Urbana    Oak Brook    East St. Louis    Alton    St. Charles    Lansing    Naperville    Belleville    Peoria    Evanston    Aurora    Chicago Northern Suburbs    Bloomington
00 + 1 + City Area Code + Number
To call USA you have to dial 00 + 1 + City Area Code + Number you wish to call
Tip: To call united states(USA), you have to dial: + 1 + City Area Code + Number you wish to call.
telephone area codes for Illinois:
which country code is 1? Illinois Country Code is 1.
International calling or dialing codes for every country in united states.below is a list of phone numbers and comments from other people about phone calls from the Area Code.To get the united states(USA) country codes you need,please see the area code for details.
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