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Lookup area code 312 details: major cities and timezone. View the 312 area code map in Illinois. Find the name of any phone number in area code 312.
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.
Area codes 630 and 331 are telephone area codes in the North American Numbering Plan (NANP) for portions of Chicago 's near and far western suburbs, including the majority of DuPage County, Illinois.
Area code 312 is a telephone area code in the North American Numbering Plan for the city of Chicago, including downtown, the Chicago Loop, and its immediate environs. The numbering plan area is completely surrounded by area code 773, which serves the rest of Chicago.
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.
8 kwi 2024 · Discover the significance of the 312 area code location in Chicago and its impact on local phone numbers. Explore the history and cultural importance.
Lookup area code information for CHICAGO, IL. Get the NPA NXX (area code and prefix) as well as much more data for CHICAGO, IL.
