| Locality | Post Code |
|---|---|
| Albertson, Duplin | 28508 |
| Beulaville, Duplin | 28518 |
| Bowdens, Duplin | 28398 |
| Calypso, Duplin | 28325 |
| Chinquapin, Duplin | 28521 |
| Faison, Duplin | 28341 |
| Greenevers, Duplin | 28458 |
| Kenansville, Duplin | 28349 |
| Magnolia, Duplin | 28453 |
| Rose Hill, Duplin | 28458 |
| Teachey, Duplin | 28464 |
| Wallace, Duplin | 28466 |
| Warsaw, Duplin | 28398 |