Phone number in Ohio: 234 Area code
Area code 234 serves the state of Ohio. This area code was assigned on November 5th, 1999. On October 30th, 2000 it went into service. 234 is a General Purpose Code. 234 service area does overlap with 330 area codes. Dialing pattern for local calls within the same NPA (area code) is 10D. Carriers must provide permissive 1+10D dialing for Foreign NPA Local Calls in areas where they provide optional EAS