| Country | United States |
| State/Province | Oklahoma |
| Major City | Tulsa |
| Time Zone | Central (UTC-06:00) |
Area code 918 serves the state of Oklahoma, including Tulsa, Muskogee, and northeast Oklahoma. 918 was split from area code 405 in 1953. A possible overlay may be implemented for the 918 area code; it would be the first overlay in the state of Oklahoma.
