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In the group of original North American area codes, established in 1947, all of the Chicago metropolitan area was part of numbering plan area 312, the rest of northern Illinois was 815, central Illinois was 217, and southern Illinois was 618.
Illinois Demographic Information. * Population: 12,419,293. * White Population: 9,125,471. * Black Population: 1,876,875. * Hispanic Population:
3 days ago · The 217 Area Code Map above shows the geographic region it covers. It has a single overlay (447) that serves the same geographic area. Combined, this Area Code (and overlays), serves a population of 6,787,258. Area Code 217 has a single Timezone of Central (GMT -06:00).
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.
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.
Nov 2, 2023 · This is a list of the area codes in the state of Illinois and its numbering plan areas in the North American Numbering Plan.
Illinois area codes map gives information about all the area codes of Illinois state along with their counties list.
