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This is a list of area codes in the state of Ohio. The first nationwide telephone numbering plan of 1947 divided Ohio into four numbering plan areas (NPAs), one each for a quadrant of the state: 216, 419, 513, and 614. In 1996, 330 and 937 were added by splitting existing NPAs. In 1997, 440 and 740 were added in additional area code splits.
There are 12 active area codes in the state of Ohio. Each of these area codes are listed below. There are two lists that Wirefly provides for the area codes in Ohio. The first table below shows the most populated cities in Ohio with the area codes listed next to them.
View the complete list of all area codes in Ohio.
Lookup area codes by state. View our Ohio area code information.
Ohio has a total of 15 Area Codes.
The 440 area code is expected to run out of available numbers in the third quarter of 2024. Customers with a 440 area code will maintain their current number and area code. New phone subscribers will be assigned the new area code, 436, when the overlay is implemented.
To find phone numbers, area code information, and area code maps, see our White Pages.
Ohio is currently using 14 area codes 216 Cleveland, Parma, Lakewood, Euclid, Cleveland Heights, Garfield Heights, Shaker Heights, Maple Heights, South Euclid, Brook Park
Find Ohio area codes by city or lookup which cities belong to an area code.
Our area code lookup makes it easy to find area codes in Ohio. Includes area code listings of all Ohio area codes with corresponding cities.