Ohio area codes
Ohio has 15 area codes, all on UTC−5 standard time. Each card shows the main cities; open one for its overlays, history and a free lookup.
FAQ
Ohio area code questions
How many area codes does Ohio have?
Ohio has 15 area codes in service: 216, 220, 234, 283, 326, 330, 380, 419, 436, 440, 513, 567, 614, 740 and 937.
What was the original Ohio area code?
216, 419, 513 and 614 were among the original area codes created in 1947.
What is the newest area code in Ohio?
436, in service since March 1, 2024 as an overlay on 440.
What time zone is Ohio area codes in?
Eastern.
Look up a number
Validity, carrier, line type, and region on the first pass.
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Sources: NANPA NPA database (11/04/2026) and Google libphonenumber. Area codes show where a number was assigned, not where its owner is today.