| District of Oklahoma area codes: 918 | |
|---|---|
| Country | United States |
| State/Province | Oklahoma |
| Major City | Tulsa |
| Time Zone | Central |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 918-221 | Tulsa | Tulsa, OK | Big River Telephone Company - MO |
| 918-222 | Craig | Big Cabin, OK | Total Telecommunications Services |
| 918-223 | Payne | Cushing, OK | Southwestern Bell |
| 918-224 | Creek | Sapulpa, OK | Southwestern Bell |
| 918-225 | Payne | Cushing, OK | Southwestern Bell |
| 918-226 | Delaware | Kansas, OK | Cellco Partnership DBA Verizon Wireless |
| 918-227 | Creek | Sapulpa, OK | Southwestern Bell |
| 918-228 | Rogers | Chelsea, OK | Fulltel |
| 918-229 | Tulsa | Tulsa, OK | Windstream Nuvox Oklahoma |
| 918-230 | Tulsa | Tulsa, OK | New Cingular Wireless PCS - IL |
| 918-231 | Tulsa | Tulsa, OK | New Cingular Wireless PCS - IL |
| 918-232 | Tulsa | Tulsa, OK | New Cingular Wireless PCS - IL |
| 918-233 | Craig | Welch, OK | Southwestern Bell |
| 918-234 | Tulsa | Tulsa, OK | Southwestern Bell |
| 918-235 | Sequoyah | Sallisaw, OK | Southwestern Bell |
| 918-236 | Tulsa | Tulsa, OK | Tw Telecom Of Oklahoma LLC |
| 918-237 | Tulsa | Tulsa, OK | Southwestern Bell |
| 918-238 | Ottawa | Miami, OK | Fulltel |
| 918-239 | Cherokee | Tahlequah, OK | Cross Wireless, L.l.c. |
| 918-240 | Tulsa | Tulsa, OK | Cellco Partnership DBA Verizon Wireless |
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.