Area Code 872 - Wikipedia

Telephone overlay area code in Chicago, Illinois

Area code 872 is a telephone area code in the North American Numbering Plan for Chicago in the U.S. state of Illinois. It is an overlay code for a numbering plan area that comprises those of area codes 312 and 773. The overlay commenced service on November 7, 2009.[1] It is the third overlay area code in the region and the tenth area code to serve northeast Illinois.[1]

As early as 1998, the North American Numbering Plan Administration had recommended a third area code for Chicago, estimating that 312 and 773 would both be exhausted by 2001. However, the Illinois Commerce Commission implemented a series of conservation measures that staved off the need for a new area code. By 2008, a combination of population growth and a large growth in cell phone usage forced the implementation of 872.[1]

With the implementation of 872, all local calls in Chicago must be dialed with the full 11-digit phone number (10 digits from cell phones).[1]

The Illinois side of the Chicago area–312/773/872, 708/464, 847/224, 630/331 and portions of 815/779–is one of the largest local calling areas in the United States; with few exceptions, no long-distance charges are applied from one portion of the metro area to another.[2]

See also

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• List of Illinois area codes
• List of North American Numbering Plan area codes

References

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1. ^ a b c d Wong, Wailin (11 August 2009). "872 to become Chicago's 3rd area code". Chicago Tribune. Retrieved 19 August 2009.
2. ^ Local calling guide: Chicago Zone 01: Calumet, IL

External links

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• "Area Code Maps". North American Numbering Plan Administrator.

Illinois area codes: 217/447, 309/861, 312, 630/331, 618/730, 708/464, 773, 815/779, 847/224, 872

North: 847/224
West: 708/464, 630/331	872 / 312 / 773	East: 219, Lake Michigan
South: 708/464
Indiana area codes: 219, 260, 317/463, 574, 765, 812/930

41°52′48″N 87°37′54″W / 41.88°N 87.6316667°W / 41.88; -87.6316667