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Our area code lookup makes it easy to find area codes in Illinois. Includes area code listings of all Illinois area codes with corresponding cities.
This is a list of the area codes in the state of Illinois and its numbering plan areas in the North American Numbering Plan. All NPAs within Illinois 217/447 : Central Illinois, including the region running west from the Illinois-Indiana border through Danville , Effingham , Champaign–Urbana , Decatur , Springfield , Quincy until Illinois ...
Area codes list for the United States, state Illinois. Reverse phone lookup, search by area code or region. Local time and map of Illinois
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. The next table shows the all the Illinois state area codes by number with the names of the city they are used in.
An Interactive Map of All Illinois Area Codes - July 2024.
To find information on a specific area code, use the area code lookup that makes it easy to find an area code by number and gives detailed information including city/state, timezone, and area code maps.
Illinois phone directory. Click and find information about the people and companies which you called. See all area codes and prefixes for Illinois with a map.
