| District of Oklahoma area codes: 918 | |
|---|---|
| Country | United States |
| State/Province | Oklahoma |
| Major City | Tulsa |
| Time Zone | Central |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 918-815 | Washington | Bartlesville, OK | T-mobile Usa |
| 918-816 | Muskogee | Muskogee, OK | T-mobile Usa |
| 918-817 | Sequoyah | Sallisaw, OK | Cellco Partnership DBA Verizon Wireless |
| 918-818 | Nowata | Delaware, OK | New Cingular Wireless PCS - IL |
| 918-819 | Le Flore | Hodgen, OK | Level 3 Communications |
| 918-820 | Pittsburg | Mcalester, OK | T-mobile Usa |
| 918-821 | Haskell | Kinta, OK | Cross Wireless, L.l.c. |
| 918-822 | Cherokee | Tahlequah, OK | New Cingular Wireless PCS - IL |
| 918-823 | Pittsburg | Indianola, OK | Oklatel Communications |
| 918-824 | Mayes | Pryor, OK | Southwestern Bell |
| 918-825 | Mayes | Pryor, OK | Southwestern Bell |
| 918-826 | Hughes | Lamar, OK | Oklatel Communications |
| 918-827 | Okmulgee | Mounds, OK | Oklahoma Communication System |
| 918-828 | Tulsa | Tulsa, OK | Southwestern Bell |
| 918-829 | Tulsa | Tulsa, OK | Leap Wireless Intl DBA Cricket Comm |
| 918-830 | Tulsa | Tulsa, OK | Sprint Spectrum L.p. |
| 918-831 | Tulsa | Tulsa, OK | Southwestern Bell |
| 918-832 | Tulsa | Tulsa, OK | Southwestern Bell |
| 918-833 | Tulsa | Tulsa, OK | Southwestern Bell |
| 918-834 | Tulsa | Tulsa, OK | Southwestern Bell |
There are 765 prefixes, In the code area, the major cities are Bartlesville, OK;Broken Arrow, OK;Muskogee, OK;Tul. The major city is Tulsa.