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Area codes 937 and 326
Area codes for Dayton and part of southwestern Ohio, United States / From Wikipedia, the free encyclopedia
Area codes 937 and 326 are telephone area codes 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. Area code 937 was established in September 1996, in a split of area code 513. Area code 326 was added to the numbering plan area to form an overlay complex in March 2020.
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