Area Codes in Ohio

Ohio is located in US. 11 area codes are used in OH by 724 cities.

OH Area Codes

OH NPA
Area Code 216
Area Code 220
Area Code 234
Area Code 330
Area Code 380
Area Code 419
Area Code 440
Area Code 513
Area Code 567
Area Code 614
Area Code 740
Area Code 937

There are 130 phone companies in Ohio, US.