Area Codes
| 918 | Oklahoma (Tulsa, Bartlesville, McAlester, Muskogee, Henryetta and northeastern Oklahoma) | More information at: Area Code 918 Phone Number Blocks
| 918 | Oklahoma (Tulsa, Bartlesville, McAlester, Muskogee, Henryetta and northeastern Oklahoma) | More information at: Area Code 918 Phone Number Blocks