Area Code 234: Ohio, Ohio
234 is a telephone area code serving Ohio. It is part of the North American Numbering Plan and is dialed with the country code +1.
Numbers beginning with 234 are located in Ohio, United States (NANP region: Northeast).
How to Dial Area Code 234
| Calling from | What to dial |
|---|---|
| Anywhere in the US or Canada | 1 234 XXX-XXXX (10-digit dialing: 234 + 7-digit number) |
| Local call inside the same area code | 7-digit number in most areas; 10 digits where an overlay code is active |
| From the UK or Europe | 00 1 234 XXX XXXX |
| From Australia | 0011 1 234 XXX XXXX |
| From a mobile phone anywhere | +1 234 XXX XXXX |
Whatever country you are calling from, the + symbol replaces the exit code. Save the contact as +1 234 XXXXXXX and it will dial correctly from any phone in the world.
Time Zone for Area Code 234
Calls to a 234 number ring in the America/New_York time zone, standard offset UTC-05:00. Daylight saving time applies here, so the offset moves forward one hour from March to November.
Other Area Codes in Ohio
These codes also serve Ohio. Area codes are assigned by the North American Numbering Plan Administration (NANPA).
| Area Code | Cities / Coverage |
|---|---|
| 216 | Cleveland |
| 220 | Columbus (overlay) |
| 326 | Dayton (overlay for 937) |
| 330 | Akron, Canton, Youngstown |
| 380 | Columbus (overlay) |
| 419 | Toledo |
| 440 | Cleveland suburbs |
| 513 | Cincinnati |
| 550 | Cincinnati (overlay for 513) |
| 567 | Toledo (overlay) |
| 614 | Columbus |
| 740 | Athens, Zanesville |
| 937 | Dayton |
See all 14 area codes in Ohio →
Frequently Asked Questions
Where is area code 234?
Area code 234 is in Ohio, United States. It covers Akron (overlay).
What time zone is area code 234 in?
Area code 234 rings in the America/New_York time zone (UTC-05:00 standard).
Do I need to dial 1 before area code 234?
Yes, for a long-distance call inside the US and Canada you dial 1 first, then 234, then the seven-digit number. The 1 is the North American long-distance trunk prefix — it is not the country code. From outside North America you dial your exit code then 1 then 234.
Is area code 234 toll-free?
No. 234 is a standard geographic area code, so normal long-distance rates apply unless your plan includes them. Toll-free NANP codes are 800, 833, 844, 855, 866, 877 and 888.