| Locality | Post Code |
|---|---|
| Acme, Columbus | 28456 |
| Boardman, Columbus | 28438 |
| Bolton, Columbus | 28423 |
| Brunswick, Columbus | 28424 |
| Cerro Gordo, Columbus | 28430 |
| Chadbourn, Columbus | 28431 |
| Clarendon, Columbus | 28432 |
| Delco, Columbus | 28436 |
| East Arcadia, Columbus | 28456 |
| Evergreen, Columbus | 28438 |
| Fair Bluff, Columbus | 28439 |
| Hallsboro, Columbus | 28442 |
| Lake Waccamaw, Columbus | 28450 |
| Nakina, Columbus | 28455 |
| Northwest, Columbus | 28456 |
| Riegelwood, Columbus | 28456 |
| Sandyfield, Columbus | 28456 |
| Tabor City, Columbus | 28463 |
| Whiteville, Columbus | 28472 |