Oklahoma Area Codes
4 area codes in Oklahoma, United States. Country code: +1. Find area codes by city and region.
All Oklahoma Area Codes
| Area Code | Major Cities | Region |
|---|---|---|
| 405 | Oklahoma City | Central |
| 539 | Tulsa (overlay) | Northeast |
| 580 | Lawton, Enid | West |
| 918 | Tulsa | Northeast |
About Oklahoma Area Codes
Oklahoma uses 4 area codes under the North American Numbering Plan (NANP). When calling within Oklahoma, dial the 3-digit area code followed by the 7-digit phone number. From abroad: exit code + 1 + area code + number.