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Area Code map for all of Indiana. Area codes 317 and 463 are telephone area codes in the North American Numbering Plan (NANP) for Indianapolis and nine surrounding counties in central Indiana.
The 317 area code was, in turn, overlaid by 463 in 2016. Southern Indiana. When the first area codes were mapped out, southern Indiana was assigned 812 and has retained it ever since. The cities of Evansville, Vincennes, Terre Haute, Bloomington, Columbus, Madison and Jeffersonville are all included in the 812 area code.
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. A numbering plan area with multiple area codes is called an overlay. Area codes are also assigned for non-geographic purposes.
33, 312, 315, 316, 317, 321, 322, 326, 341, 342, 343, 344, 345, 346, 347, 348, 349, 354, 357, 358, 371, 372, 373, 374, 375, 376, 377, 378, 382, 384, 385, 386, 387, 388, 391, 392, 393, 395, 424, 431, 437, 457, 474, 475, 495, 496, 499
Area code 701 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. State of North Dakota. It is one of the 86 original North American area codes created by AT&T in 1947, and continues to be the only area code in North Dakota, one of eleven states with only one area code. Numbering plan area 701 is divided between ...
Area code 319 is a telephone area code in the North American Numbering Plan (NANP) for the southeastern and east-central parts of the U.S. state of Iowa . Major cities in the numbering plan area (NPA) include Burlington, Cedar Falls, Cedar Rapids, Oelwein, Fort Madison, Iowa City, Keokuk, Mount Pleasant, and Waterloo .
In 1948, northern Indiana received an extra area code for its Chicago suburbs by dividing area code 317. In 1950, southwest Missouri, with a new toll-center in Joplin , received area code 417 , a change that provided more central offices in Kansas City.
Coordinates: 45°27′N 94°45′W. A map of Minnesota area codes. Area code 320 is in light brown. Area code 320 is a telephone area code in the North American Numbering Plan for most of the central part of the U.S. state of Minnesota. The numbering plan area (NPA) excludes the Twin Cities metro region.
Map of Kansas with area code 316 in red. Area code 316 is the telephone area code in the North American Numbering Plan (NANP) for the city of Wichita, Kansas, and surrounding communities. The area code was one of the original NANP area codes and formerly served all of southern Kansas.
Area code 312. Coordinates: 41°52′48″N 87°37′54″W. All NPAs within Illinois. Area code 312 is a telephone area code in the North American Numbering Plan for the city of Chicago, including downtown, the Chicago Loop, and its immediate environs.