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In 1989, area code 708 was created for all of the suburbs in the Chicago metropolitan area while the city of Chicago kept the original 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 ...
The 708 area code was partitioned in 1996 into three area codes, serving different portions of the metro area: 630, 708, and 847. At the same time that the 708 area code was running out of phone numbers, the 312 area code in Chicago was also exhausting its supply of available numbers.
Area code 630 is the parent area code of the numbering plan area, created in a three-way area code split of area code 708 on August 3, 1996, with the southern suburbs keeping 708 and the northern suburbs receiving 847. Within a decade, 630 was close to exhaustion due to the growth of the Chicago suburbs and the proliferation of cell phones and ...
Area code 312 originally served almost all of the Illinois side of the Chicago metropolitan area. The major exceptions were portions of Grundy , Kane , Kankakee , McHenry , and Will counties, which were located in the numbering plan area of the rest of northern Illinois, 815 .
Area code 708 was created on November 11, 1989, in a split of area code 312. It once served almost all of Chicago's suburbs in Illinois. In 1996, its numbering plan area was reduced in a three-way area code split. The northern suburbs received area code 847, while the western suburbs were assigned area code 630.
The statistical criteria for a standard metropolitan area were defined in 1949 and redefined as a metropolitan statistical area in 1983. [3] Due to suburbanization, the typical metropolitan area is polycentric rather than being centered around a large historic core city such as New York City or Chicago. [4]
2 Area codes by country, state, province, ... (San Antonio metropolitan area) 1992: ... (much of northern Illinois outside Chicago and its immediate surrounding ...
The Chicago metropolitan area – also known as "Chicagoland" – is the metropolitan area associated with the city of Chicago, Illinois, and its suburbs. [2] With an estimated population of 9.4 million people, [3] it is the third largest metropolitan area in the United States [4] and the region most connected to the city through geographic ...