Area codes 740 and 220
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Area codes 740 and 220 are telephone area codes in the North American Numbering Plan (NANP) for the southeastern and central parts of Ohio. The numbering plan area (NPA) includes the cities of Athens, Belpre, Cadiz, Chillicothe, Circleville, Coshocton, Delaware, Gallipolis, Heath, Ironton, Jackson, Lancaster, Laurelville, Logan, Marietta, Marion, Mount Vernon, Nelsonville, Newark, Newcomerstown, Pataskala, Portsmouth, Rockbridge, Steubenville, Washington Court House, and Zanesville, Shadyside and the surrounding areas. It does not include the city of Columbus and rate centers in Franklin County which primarily use area code 614. Although it is Ohio's largest area code by geographic size, Southeastern Ohio is largely rural and overall has fewer residents than the rest of the state except in the areas near Columbus.
Area code 740 was established on September 11, 1997; it split from area code 614 on November 8, 1997. On November 7, 2013, it was announced that the 740 area code would run out of numbers sometime in 2015. The Public Utilities Commission of Ohio chose to remedy the situation by implementing an overlay with area code 220, effective April 22, 2015. This requires all calls within the numbering plan area to be dialed using the full ten-digit telephone number.
- Deak, J.N. (September 11, 1997). "NANP-Split of 614 (Ohio) Numbering Plan Area (NPA)" (PDF) (Press release). Bellcore. Retrieved March 24, 2019.
- Feran, Tim (December 12, 2013). "Area code 220 will be interspersed with old 740". The Columbus Dispatch. Columbus, Ohio: New Media Investment Group. Retrieved December 12, 2013.
|North: 419/567, 330/234|
|West: 937/326, 614||area code 740/220||East: 304/681|
|South: 606, 304/681|
|Kentucky area codes: 270/364, 502, 606, 859|
|Pennsylvania area codes: 215/267/445, 223/717, 272/570, 412, 484/610, 724, 814/582, 878|
|West Virginia area codes: 304/681|