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] Its overlay status means it is assigned only to new numbers in the area and not to existing numbers using the 312 and 773 area codes. 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 (Neustar) 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]
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Area code 773
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Area code 312
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References
- ^ a b c d Wong, Wailin (11 August 2009). "872 to become Chicago's 3rd area code". Chicago Tribune. Retrieved 19 August 2009.
- ^ Local calling guide: Chicago Zone 01: Calumet, IL
External links
| 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
This page was last edited on 19 August 2023, at 03:34