Area code 312
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Area code 312 encompasses the Chicago Loop and surrounding areas in Chicago, Illinois. It is roughly bounded by Armitage Avenue on the north, Western Avenue on the west, and 35th Street on the south.
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[edit] History
312 was one of the original 86 area codes created in 1947, then called "Numbering Plan Areas." With the rotary dialing technology available at the time, care was given to keep the number of "clicks" to a minimum for large cities, hence Chicago being assigned a code with only six clicks. Manhattan was assigned 212, with downtown Los Angeles assigned 213.
The first production #4ESS toll switch was installed in January 1976. Telephone World
[edit] Exchange split
Until 1989, 312 included most of Chicagoland, at that time the suburbs became area code 708. In 1996, most of the city split off into 773 after the northern suburbs and western suburbs split into area codes 847 and 630 respectively.
[edit] In popular culture
- Goose Island Brewery brews a beer named 312 Urban Wheat Ale.
- A restaurant at the Kimpton Hotels-operated Hotel Allegro, at LaSalle and Randolph streets in the Loop, is named 312.
- Rapper Snoop Dogg has used the 312 as a primary theme in his "Thats That" single.
[edit] See also
| State of Illinois area codes: 217, 224, 309, 312, 618, 630, 708, 773, 815, 847 | ||
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| North: 773 | ||
| West: 773 | area code 312 | East: Lake Michigan |
| South: 773 | ||
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Illinois Area codes 217 | 224 | 309 | 312 | 618 | 630 | 708 | 773 | 779 | 815 | 847 |
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