The 740 area code is located in the state of Ohio, and according to Intelius data, covers roughly 914,154 phone numbers and 1,351,207 listings across 796 prefixes.
This is a General Purpose Code, in service since December 6, 1997.
Area code 740 is part of an overlay complex shared with:
Area code 740 was split from area code 614.
Local calls within area code 740 require 10 digits dialing, while long-distance calls require 1 plus 10 digits dialing.
Have you received a call from a number with a 740 area code? Figure out who is calling you by performing a reverse phone lookup search. Intelius can provide you with a phone report that includes (when available) original line type and carrier, the number owner’s name, last known address and past addresses, age, possible relatives, and more.
| County Population (2025) | 242,032 |
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| County Population (2025) | 64,002 |
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| County Population (2025) | 185,564 |
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