Area Code 740

Area code 740 serves the state of Ohio. This area code was assigned on September 11th, 1998. On December 6th, 1997 it went into service. 740 is a General Purpose Code. 740 service area does overlap with 220 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

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