| City/Town | Area Code | Zip Code | County | Code |
| Dacoma | 405 | 73731 | Woods | 40151 |
| Daisy | 405 | 73540 | Atoka | 40005 |
| Dale | 405 | 74838 | Pottawatomie | 40125 |
| Davenport | 918 | 74026 | Lincoln | 40081 |
| Davidson | 405 | 73530 | Tillman | 40141 |
| Davis | 405 | 73030 | Murray | 40099 |
| Deer Creek | 405 | 74636 | Grant | 40053 |
| Delaware | 918 | 74027 | Nowata | 40105 |
| Del City | 405 | 73115 | Oklahoma | 40109 |
| Delhi | 405 | 73662 | Beckham | 40009 |
| Depew | 918 | 74028 | Creek | 40037 |
| Depot | 918 | 74501 | Pittsburg | 40121 |
| Devol | 405 | 73531 | Cotton | 40033 |
| Dewar | 918 | 74431 | Okmulgee | 40111 |
| Dewey | 918 | 74029 | Washington | 40147 |
| Dibble | 405 | 73031 | McClain | 40087 |
| Dill City | 405 | 73641 | Washita | 40149 |
| Disney | 918 | 74340 | Mayes | 40097 |
| Dough | 405 | 73032 | Murray | 40099 |
| Douglas | 405 | 73733 | Garfield | 40047 |
| Dover | 405 | 73734 | Kingfisher | 40073 |
| Dow | 918 | 74501 | Pittstburg | 40121 |
| Drummond | 405 | 73735 | Garfield | 40047 |
| Drumright | 918 | 74030 | Creek | 40037 |
| Duke | 405 | 73532 | Jackson | 40065 |
| Duncan | 405 | 73533 | Stephens | 40137 |
| 73534 | ||||
| 73575 | ||||
| Durant | 405 | 74701 | Bryan | 40013 |
| 74702 | ||||
| Durham | 405 | 73642 | Roger Mills | 40129 |
| Dustin | 918 | 74939 | Hughes | 40063 |