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The 317 and 463 area codes covers the Metro Indianapolis area. The counties covered by 317 are Boone County, Hancock County, Hamilton County, Hendricks County, Johnson County, Marion County, Morgan County and Shelby County. 317 covered all of Northern and Central Indiana until 1948, when 219 was created. Central Indiana remained under the 317 ...
In 1970, the governments of Indianapolis and Marion County consolidated, expanding the city from 82 square miles (210 km 2) [3] to more than 360 square miles (930 km 2) overnight. As a result, Indianapolis has a unique urban-to-rural transect, ranging from dense urban neighborhoods, to suburban tract housing subdivisions, to rural villages. [4]
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.
Numbering plan areas and area codes of Texas (tan). This is a list of area codes in the U.S. state of Texas. The date of establishment of each area code is indicated in parentheses: [1] 210: San Antonio area; overlays with 726 (November 1, 1992) 214: Dallas area, overlays with 469, 972, and 945 (October 1947)
The 317 area code covers the Indianapolis metropolitan area. The counties covered by 317 are Boone, Hancock, Hamilton, Hendricks, Johnson, Madison, Morgan, and Shelby. According to the Indiana Office of Utility Consumer Counselor, the 317 area code was expected to run out of numbers in 2017. [7] Overlay area code 463 was implemented in late ...
Numbering plan areas and area codes of Texas with numbering plan area 281/346/713/832 highlighted. Area codes 713, 281, 832, 346, and 621 are telephone area codes in the North American Numbering Plan (NANP) forming an overlay complex for Houston, Texas and its environs. Area code 713 is one of the original four area codes established for Texas ...
Area codes 214, 469, 972, and 945 are telephone area codes in the North American Numbering Plan (NANP) for Dallas, Texas and most of the eastern portion of the Dallas–Fort Worth metroplex The area codes are assigned in an overlay complex to a single numbering plan area that was the core of one of the original area codes of 1947, area code 214.
The numbering plan area (NPA) comprises all or parts of Marion, Boone, Hancock, Hamilton, Hendricks, Johnson, Madison, Morgan, and Shelby counties. 317 is the original area code of the NPA, created in 1947, while 463 is an overlay code for the same area that was added in 2016, making ten-digit dialing mandatory for all calls in the region.