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Area code 847 was created on January 20, 1996, in a three-way split of area code 708. Area code 847 was involved in the first trial of telephone number pooling in the United States in June 1998, to avert central office code exhaustion in the numbering plan area. [1]
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 code 847 exhausted its numbers quickly, so that an overlay area code, 224, was ...
The North American Numbering Plan (NANP) divides the territories of its members into geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits.
Area code 847, located northwest of Chicago, had already been subjected to multiple area code splits and a proposed overlay area code 224 with 10-digit local calling was drawing public backlash; inefficient allocation meant that some providers had been holding 10,000 number blocks in rate centers where they had few or no clients. [9]
The northern suburbs received area code 847, while the western suburbs were assigned area code 630. Area code 708 was Illinois' first new area code since 309 had been created in 1957, and the second new code for the state since the announcement of the original North American area codes in 1947, when the state was divided into four numbering ...
Area code: 847/224: FIPS code: 17-43250: GNIS feature ID: 412036 [2] Website: www.libertyville.com: Libertyville is a village in Lake County, Illinois, United States ...
However, in 1988, the 312 area code was made exclusive to Chicago and the 708 area code was introduced. [173] Then, in 1996, the 708 area code was split into three: 708, 630, and 847. [174] Currently, Northbrook uses the 847 area code as well as the 224 area code [175] which was introduced in 2002. [176]
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