| dbo:abstract
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- This is a list of the area codes in the state of Illinois and the geographic area of each numbering plan area:
* 217/447: Central Illinois, and part of Southern Illinois running west from the Illinois-Indiana border through Danville, Effingham, Champaign–Urbana, Decatur, Springfield, Quincy until Illinois' western border with Missouri and Iowa.
* 309/861: Central-Western Illinois including Bloomington–Normal, Peoria, and all the way west to the Illinois part of the Quad Cities including Moline, and Rock Island.
* 312: Chicago, the central city area including the Chicago Loop and the Near North Side.
* 618: Southern Illinois, including Carbondale and most of the Metro East region of St. Louis suburbs in Illinois.
* 630/331: West suburbs of Chicago in DuPage County and Kane County including Wheaton, Naperville, and Aurora. Area code 630 was overlaid with area code 331 in 2007.
* 708/464: South suburbs and inner west suburbs of Chicago, including the Chicago Southland and most west and south suburbs in Cook County including Melrose Park, Norridge, Oak Park, Oak Lawn, Chicago Heights, and Orland Park.
* 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.
* 847/224: North and northwest suburbs of Chicago including all of Lake County, part of McHenry County, northern Cook County, and northeastern Kane County. This area includes Evanston, Des Plaines, Waukegan, and most of Elgin. Area code 847 was overlaid with area code 224 in 2002.
* 872: City of Chicago, overlaying area codes 312 and 773. (en)
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| rdfs:comment
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- This is a list of the area codes in the state of Illinois and the geographic area of each numbering plan area:
* 217/447: Central Illinois, and part of Southern Illinois running west from the Illinois-Indiana border through Danville, Effingham, Champaign–Urbana, Decatur, Springfield, Quincy until Illinois' western border with Missouri and Iowa.
* 309/861: Central-Western Illinois including Bloomington–Normal, Peoria, and all the way west to the Illinois part of the Quad Cities including Moline, and Rock Island.
* 312: Chicago, the central city area including the Chicago Loop and the Near North Side.
* 618: Southern Illinois, including Carbondale and most of the Metro East region of St. Louis suburbs in Illinois.
* 630/331: West suburbs of Chicago in DuPage County and Kane County inclu (en)
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