Illinois Area Codes and Their Locations
People are generally less hesitant to take calls from area codes they are familiar with. Therefore, the ability to recognize area codes within Illinois and the locations they serve can help in potentially identifying unwanted or fraudulent phone calls. They can also avoid phone scammers by identifying them by their numbers using reverse phone lookup services.
An overview of the area codes for Illinois is shown below:
|217 - Location||779 - Location|
|309 - Location||847 - Location|
|312 - Location||224 - Location|
|630 - Location||872 - Location|
|331 - Location|
|618 - Location|
|708 - Location|
|773 - Location|
|815 - Location|
Who Controls Illinois Area Codes?
The authority charged with managing area codes, which also includes the decision to institute new area codes to a particular region in Illinois, is the Illinois Commerce Commission (ICC). The Commission’s Bureau of Public Utilities handles all matters related to public utility issues and policies. Illinois area codes are only used within the State of Illinois. Area code overlays are introduced in locations where it has been determined an increase in the number of available telephone numbers is required.
Where is Area code 217?
Area code 217 is the telephone area code for major parts of Western and Central Illinois. The 217 area code covers Springfield, Champaign, Urbana, Decatur, Taylorville, Danville, Effingham, Quincy, Rantoul, and Jacksonville. 217 was one of the original area codes created in 1947.
Where is Area code 309?
Area code 309 is the telephone area code serving the West-Central parts of Illinois. Cities covered by this area code include Bloomington, Canton, East Moline, East Peoria, Galesburg, Kewanee, Macomb, Minonk, Moline, Morton, Normal, Pekin, Peoria Rock Island, and Silvis, as well as many smaller communities within the western part of Central Illinois. It was created in 1957.
Where is Area code 312?
Area code 312 is the telephone area code for downtown Chicago, which includes the Chicago Loop and its immediate environs and was among the original area codes created in1947. Area code 312 originally served almost all of the Chicago metropolitan area in Illinois but was reduced to its current coverage in 1989.
Where is Area code 773?
Area code 773 serves Chicago, Illinois, outside the downtown area. The area code covers the city excluding the downtown area and adjacent neighborhoods. It was introduced in 1996.
Where is Area code 618?
Area code 618 is the telephone area code serving Southern Illinois including the cities of Carbondale, Cairo, Belleville, East St. Louis, Edwardsville, Marion, O'Fallon, Alton, Mt. Vernon, Centralia, Herrin, Salem, Metropolis, Fairview Heights, and Collinsville. It was among the original area codes created in 1947.
Where is Area code 630?
Area codes 630 covers portions of Chicago's western suburbs, including the majority of DuPage County. It also cover a small, neighboring portion of Cook County, including parts of Schaumburg, Streamwood and Hanover Park, parts of Kane County including Aurora, the northern part of Will County and a small part of southern Cook County, including the village of Burr Ridge and parts of the village of Lemont, and extends to the city of Yorkville in exurban Kendall County. It was created in 1996.
Where is Area code 313?
Area code 313 was created in 2007 to overlay area code 630 and is assigned to new numbers in the region.
Where is Area code 708?
Area code 708 covers most of Chicago's southern suburbs, currently serving most parts of Western and Southern Cook County and Eastern and Southern Will County in Illinois. It was introduced in 1989.
Where is Area code 815?
Area code 815 is the telephone area code for most of Northern Illinois outside the Chicago and Quad Cities areas. It also serves a few outer western suburbs of Chicago. It was one of the four original Illinois area codes set up in 1947.
Where is Area code 847?
Area code 847 is the telephone area code covering Northeastern Illinois and many northern suburbs of Chicago. It serves most of Lake County, the northern part of Cook County, the northern part of Kane County, and a small part of McHenry County. It was introduced in 1996.
Where is Area code 224?
Area code 224 was introduced in 2002 to overlay area code 847 and is assigned to new numbers in the region.
Where is Area code 872?
Area code 872 is the area code overlay for telephone area codes 312 and 773 in Chicago and was implemented in 2009. Its overlay status means it is assigned only to new numbers in the region.