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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 are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.
Map highlighting area code 586 in Michigan Area code 586 is the telephone area code serving much of Macomb County, Michigan , introduced in 2001 as a split from area code 810 . Its territory was originally part of area code 313 .
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 implemented in 1996 for relief. However, mandatory ten-digit dialing was not in effect until 2002. In March 2007, an overlay ...
The projected exhaust dates for area codes 403 and 780 were March and October 2009, respectively. In 1997, two area codes, 587 and 825, were reserved by Bellcore for Alberta. [1] The first of the new area codes, 587, entered service on September 19, 2008, as an overlay for the entire province.
According to the 2010 census, Sleepy Hollow has a total area of 2.026 square miles (5.25 km 2), of which 2 square miles (5.18 km 2) (or 98.72%) is land and 0.026 square miles (0.07 km 2) (or 1.28%) is water. [5] Sleepy Hollow is generally bounded by Randall Road to the west and Illinois Route 72 to the north.
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1997: Area code 734 was created in the second split of 313. and area code 248 was created in the first split of 810. 1999: Area code 231 was created in the second split of 616. 2001: Area code 586 was created in the second split of 810, and area code 989 was created in the first split of 517. 2002: Area code 269 was created in the third split ...