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14 sie 1998 · North Chicago, IL Area Codes: List, Map, and Phone Lookup. Area Codes >. Illinois >. North Chicago. The city of North Chicago is in the state of Illinois. It has the following active area codes: 224. 847.
- Chicago, IL
Chicago, IL has the following Exchanges (NXX) List of all...
- Chicago, IL
Illinois currently utilizes 15 area codes. When first established by AT&T and the Bell System in 1947, 217 covered central Illinois, 312 covered the Chicago metropolitan area, 618 covered southern Illinois including East St. Louis and Carbondale, and 815 covered northern Illinois except Chicago
773: Chicago, covers most of the geographical area of Chicago except the downtown Chicago Loop, which is in area code 312. 815/779: Northern Illinois outside of the immediate Chicago area including Joliet, Kankakee, LaSalle, DeKalb, and Rockford. Area code 815 was overlaid with area code 779 in 2007.
Chicago, IL has the following Exchanges (NXX) List of all area codes in Chicago, IL. Chicago, IL area code map, list, and phone lookup.
Fixed phone numbers in the United States, state Illinois are comprised of a single country code (+1), a 3 digit area code, a 3 digit local office code (or region code), and a 4 digit line code. Making a call with the wrong country, area, or region code can be costly.
Fixed phone numbers in the United States, state Illinois (area code 708) are comprised of a single country code (+1), a 3 digit area code, a 3 digit local office code (or region code), and a 4 digit line code. Making a call with the wrong country, area, or region code can be costly.
There are 13 active area codes in the state of Illinois. Each of these area codes are listed below. There are two lists that Wirefly provides for the area codes in Illinois. The first table below shows the most populated cities in Illinois with the area codes listed next to them.
