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It has the following active area codes: List of all area codes in Chicago, IL. Chicago, IL area code map, list, and phone lookup.
Illinois currently utilizes 17 area codes. When first established by AT&T and the Bell System in 1947, 217 covered central Illinois, 312 covered the Chicago metropolitan area, 618 covered southern Illinois including East St. Louis and Carbondale, and 815 covered northern Illinois except Chicago
Area codes 847 (northern suburbs) and 630 (western suburbs) were created from a split of suburban area code 708 in 1996. Shortly after in 1996, area code 773 was created for the residential parts of the city of Chicago, while downtown kept area code 312.
22 cze 2024 · The 312 area code covers downtown Chicago, including the iconic Chicago Loop and its immediate surroundings. On the other hand, the 773 area code serves the outer neighborhoods of Chicago, outside the Loop.
Lookup area code information for CHICAGO, IL. Get the NPA NXX (area code and prefix) as well as much more data for CHICAGO, IL.
There are 13 active area codes in the state of Illinois. Each of these area codes are listed below. There are two lists that Wirefly provides for the area codes in Illinois.
Location of all Area Codes in the US To faciltiate the millions of phone users, the United States of America is divided into regions known as Area Codes, corresponding to particular geographic telephone dialing areas.
