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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 has fewer residents overall than the rest of the state except in the areas near Columbus.

History

Area code 740 was established by an area code split of area code 614 on November 8, 1997.^[1] By the end of 2013, exhaust studies indicated that the 740 area code would run out of telephone numbers sometime in 2015. The Public Utilities Commission of Ohio chose a relief plan by implementing an overlay with new 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.^[2]

References

^ 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. Archived from the original on October 27, 2021. Retrieved December 12, 2013.

External links

NANPA area code map of Ohio

Ohio area codes: 216, 330/234, 419/567, 440/436, 513/283, 614/380, 740/220, 937/326
	North: 419/567, 330/234
West: 937/326, 614/380	740/220	East: 304/681
	South: 606, 304/681
Kentucky area codes: 270/364, 502, 606, 859
Pennsylvania area codes: 215/267/445, 412, 570/272, 610/484/835, 717/223, 724, 814/582, 878
West Virginia area codes: 304/681