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.
よくある質問
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.
番号を調べる
1 回目の照会で、有効性・通信事業者・回線種別・地域が分かります。
All North American area codes · International country codes
Sources: NANPA NPA database (11/04/2026) and Google libphonenumber. Area codes show where a number was assigned, not where its owner is today.