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Area codes of Kansas. The U.S. state of Kansas is served with four area codes in the North American Numbering Plan: 316, 620, 785, and 913. Area code Location 316:
On February 12, 1997, the NANPA announced that 913 would be cut back to the Kansas side of the Kansas City area, while most of the western portion of the old 913 plan area–everything from Lawrence westward–was split off as area code 785, effective on July 20, 1997. Permissive dialing of 913 continued across northern Kansas until October 3 ...
Kansas (Topeka, Salina, Colby, Lawrence, Manhattan, and all of northern and central Kansas not including the Kansas City Metropolitan Area) July 20, 1997: split of 913; 786: Florida (Miami-Dade County and the Florida Keys) March 1, 1998: overlaid on 305 only in Miami-Dade County; 2008: overlay extended to the Florida Keys; 2023: overlaid with ...
The configuration of two area codes for Kansas remained unchanged for more than forty years. By the mid-1990s, the proliferation of cell phones, the growing population in the Kansas City metropolitan area (most notably Johnson County and Overland Park, as well as deregulation mandated by the Telecommunications Act of 1996, the pool for exchange codes in area code 913 were quickly being exhausted.
Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]
The U.S. Coast Guard (USCG) uses a set of two-letter prefixes for vessel numbers; [18] 39 states and the District of Columbia have the same USPS and USCG abbreviations. USCG prefixes have also been established for five outlying territories; all are the same as the USPS abbreviations except the Mariana Islands.
620 was created due to the growing proliferation of cell phones in the Wichita area. With the great majority of the old 316's landlines and cell phones located in the Wichita area, 620 is one of the most thinly populated area codes in the nation. Based on projections in 2024, southern Kansas will not need another area code until about 2029. [1]
The configuration with two area codes remained constant for more than 40 years. But by the mid-1990s, the pool of available exchange codes in area code 913 was being exhausted due to rapid growth in demand on the Kansas side of the Kansas City metropolitan area, particularly Overland Park and Johnson County from the proliferation of cell phones and pagers.