Receive a local area code
312
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Economic Overview
Area code 312 covers Chicago’s central business district, known as the Loop, which is a major financial, commercial, and cultural hub. The region is home to Fortune 500 companies, major law firms, leading advertising agencies, and the Chicago Board of Trade. Key industries include finance, healthcare, technology, media, and tourism.
Geographical Overview
Area code 312 serves the heart of Chicago, Illinois, specifically the downtown core and a few nearby neighborhoods within Cook County. It does not extend into the suburbs or outlying areas. The 312 area is surrounded by area codes 773 and 872.
Location Info
Area code 312 encompasses Chicago’s Loop and adjacent neighborhoods such as River North, Near North Side, Near West Side, and Near South Side. Its boundaries are roughly bounded by North Avenue (to the north), Lake Michigan (to the east), 35th Street (to the south), and Western Avenue (to the west). It is entirely within the city limits of Chicago.
Population Demographics
The 312 area code region is densely populated, highly diverse, and includes a mix of young professionals, students, longtime residents, and a significant daytime commuter population. The area has a high concentration of office workers, as well as a growing residential population due to downtown revitalization.
Time Zone Info
Area code 312 is located in the Central Time Zone (CT).
Other Area Code Details
Established in 1947, 312 is one of the original North American area codes. It is widely recognized as an iconic symbol of Chicago, often referenced in local culture, music, and branding. The area code’s exclusivity to downtown makes it a prestigious and sought-after number for local businesses and residents.
