Area codes for cellphone in Ohio?

The area codes for Ohio are 216, 234, 283, 330, 380, 419, 440, 513, 567, 614, 740, and 937.

Ohio has multiple area codes:

216: Cleveland

330 & 234: Akron, Canton, Youngstown

419 & 567: Toledo

440: Ahstabula, Lorain

513: Cincinnati

614: Columbus

740 & 220: Marion, Zanesville (220 overlay in 2015)

937: Dayton

The telephone country code for the USA (plus Canada and 18 Caribbean-ish islands) is +1.

(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)

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