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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.
Illinois area codes map gives information about all the area codes of Illinois state along with their counties list.
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
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.
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.
Area codes list for the United States, state Illinois. Reverse phone lookup, search by area code or region. Local time and map of Illinois
Enter a city, a zipcode, or an address in both the Distance From and the Distance To address inputs. Click Calculate Distance, and the tool will place a marker at each of the two addresses on the map along with a line between them.
