Area code 330 is an area code that covers Eastern Ohio. Area code 330 overlays the area code of 234.
Ohio has area codes of 216, 234, 283, 330, 380, 419, 440, 513, 567, 614, 740, 937.
The following map shows the coverage of 330 area code. The coverage area is shown in green.
Area code map of the entire U.S.