| Locality | Post Code |
|---|---|
| Ardmore, Carter | 73401 |
| Fox, Carter | 73435 |
| Gene Autry, Carter | 73436 |
| Graham, Carter | 73437 |
| Healdton, Carter | 73438 |
| Hennepin, Carter | 73444 |
| Lone Grove, Carter | 73443 |
| Milo, Carter | 73401 |
| Pooleville, Carter | 73401 |
| Ratliff City, Carter | 73481 |
| Ringling, Carter | 73456 |
| Rubottom, Carter | 73463 |
| Springer, Carter | 73458 |
| Tatums, Carter | 73487 |
| Tussy, Carter | 73488 |
| Wilson, Carter | 73463 |