Area code 937

Area code 937 is a telephone area code in the North American Numbering Plan (NANP) assigned to a numbering plan area (NPA) that encompasses much of the southwestern part of the U.S. state of Ohio, including Dayton and Springfield. It was established in September 1996, after a split from area code 513.

The regions shown in blue are in Ohio.


Area code 937 serves Dayton, its metropolitan area, public (non-Defense Switched Network) communications at Wright-Patterson Air Force Base, and most of southwest Ohio north and east of the Cincinnati metropolitan area.

Communities served which have a 2019 population greater than 10,000 or are county seats, include Beavercreek, Bellefontaine, Centerville, Clayton, Dayton, Eaton, Englewood, Fairborn, Franklin, Georgetown, Greenville, Hillsboro, Huber Heights, Kettering, Marysville, Miamisburg, Piqua, Riverside, Sidney, Springboro, Springfield, Tipp City, Trotwood, Troy, Urbana, Vandalia, West Carrollton, West Union, Wilmington and Xenia.[1]

Counties covered include all or parts of Adams, Brown, Champaign, Clark, Clermont, Clinton, Darke, Greene, Hardin, Highland, Logan, Madison, Miami, Montgomery, Preble, Ross, Scioto, Shelby, Union and Warren.


Area code 937 was split from area code 513 on September 28, 1996. At the time, literature promoting the new area code took advantage of the fact that the numbers 937 spell out "YES" on a standard telephone keypad.[2][3]

Area code 937 is expected to exhaust all numbers by the third quarter of 2020,[4] so area code 326 (which spells out "DAO" as in "DAyton, Ohio") is scheduled to overlay the 937 area.[5] Since early August 2019, customers are encouraged to use ten digits for local calls within the area code. Come early February 2020, traditional seven-digit local calling will be extinct, and customers who attempt such calls will hear a recorded reminder message. On March 8, 2020, the 326 area code will take effect.[6][7]

See also


  1. "Planning Letter 517: NPA 326 to Overlay NPA 937 (Ohio)" (PDF). North American Numbering Plan Administration. July 3, 2018. Retrieved May 31, 2019.
  2. "Code: Cincinnati Bell to add new long-distance digits". The Cincinnati Enquirer. September 20, 1996. p. 52. Retrieved May 31, 2019.
  3. "Dialers Can Just Say YES to 937". Dayton Daily News. September 29, 1996. p. 1B. Retrieved May 31, 2019.
  4. "2018-1 NRUF and NPA Exhaust Analysis" (PDF). North American Numbering Plan Administration. April 2018. Retrieved June 28, 2018.
  5. "Planned NPAs Not Yet in Service". North American Numbering Plan Administration. June 28, 2018. Retrieved June 28, 2018.
  6. Schilling, Matt (August 8, 2018). "PUCO adopts 937/326 area code schedule". Public Utilities Commission of Ohio. Retrieved 2018-08-24.
  7. Baker, Wayne (July 10, 2019). "Miami Valley prepares for added area code, 10-digit dialing". Dayton Daily News. Retrieved July 12, 2019.
Ohio area codes: 216, 220/740, 234/330, 380/614, 419/567, 440, 513, 937
North: 419/567
West: 260, 513/283, 765 area code 937/326 East: 740/220, 614/380
South: 513/283, 606, 859
Indiana area codes: 219, 260, 317/463, 574, 765, 812/930
Kentucky area codes: 270/364, 502, 606, 859

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