Ohio Area Code

Ohio currently utilizes 13 area codes. When first established by AT&T and the Bell System in 1947, 216 covered northeastern Ohio including Cleveland, 419 covered northwest Ohio including Toledo, 513 covered southwest Ohio including Cincinnati, and 614 covered southeast Ohio including Columbus. The most recently added was 326 in 2020 as an overlay to 937. Today, 330 is the most populated with an estimated 2 million of the state's 11.5 million residents.