Post Offices List in Delaware County, Oklahoma:
| Afton Post Office | 101 Sw 1st St, Afton, OK 74331 |
| Colcord Post Office | 367 W Main, Colcord, OK 74338 |
| Eucha Post Office | 101 Main St, Eucha, OK 74342 |
| Grove Post Office | 1200 S Shundi, Grove, OK 74344 |
| Jay Post Office | 409 S 6th St, Jay, OK 74346 |
| Kansas Post Office | 491 W Main St, Kansas, OK 74347 |
| Oaks Post Office | 377 W Main, Oaks, OK 74359 |
| Rose Post Office | 5904 S 448 Rd, Rose, OK 74364 |
| Twin Oaks Post Office | 9755 Us Highway 412 Alt, Twin Oaks, OK 74368 |