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517 – South Central Michigan: Lansing, East Lansing, Jackson, Charlotte, Coldwater, Howell, Hillsdale, and Adrian. 586 – Northeastern Metro Detroit: All of Macomb County. 616 – Western Michigan: Grand Rapids, Holland, Greenville, Grand Haven, Zeeland, and Ionia.
Area code 517 serves the state of Michigan. This area code was assigned on January 1st, 1947. On January 1st, 1947 it went into service. 517 is a General Purpose Code. Dialing pattern for local calls within the same NPA (area code) is 7D. ZIP Codes Served By 517 Area Code. 49252. 49251. 48933. 48915. 48912. 48924. 49202. 49201. 49203. 49221. 49229.
Overview. 517 Area Code is part of 9 counties in the state of Michigan. There are around 62 cities in the 517 area code. The 517 area code is located in the EDT timezone. Michigan has an avarage population of 10,053,439 spread between the coordinates of +43.326618 Latitude and -84.536095 Longitude.
Mar 7, 2024 · Enter area code 517 in 1958, initially serving central and southern regions of Michigan with gusto. The Evolution of Area Code 517 Over Time. As cities and towns within area code 517 experienced growth, the demand for additional area codes materialized.
The original North American area codes were established by the American Telephone and Telegraph Company (AT&T) in 1947, after the demonstration of regional Operator Toll Dialing during the World War II period. The program had the goal of speeding the connecting times for long-distance calling by eliminating intermediary telephone operators.
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.
Michigan (MI) Area Code 517 covers 12 Counties. Area Code 517 covers 82 Cities. Area Code 517 Has 811 Exchanges. * Records indicated with a strike-through are exchanges which are available for assignment (but not in use) or otherwise inactive. Area Code 517 Demographic Information.
