| Locality | Post Code |
|---|---|
| Beaufort, Beaufort | 29902, 29904, 29906, 29907 |
| Bluffton, Beaufort | 29909, 29910 |
| Brighton Beach, Beaufort | 29910 |
| Callawassie Island, Beaufort | 29909 |
| Coosaw, Beaufort | 29940 |
| Dale, Beaufort | 29914 |
| Dataw Island, Beaufort | 29920 |
| Daufuskie Island, Beaufort | 29915 |
| Fairfield, Beaufort | 29928 |
| Fripp Island, Beaufort | 29920 |
| Frogmore, Beaufort | 29920 |
| Harbor Isl, Beaufort | 29920 |
| Hilton Head Island, Beaufort | 29926, 29928 |
| Ladys Island, Beaufort | 29907 |
| Laurel Bay, Beaufort | 29902 |
| Lobeco, Beaufort | 29931 |
| Okatie, Beaufort | 29909 |
| Parris Island, Beaufort | 29905 |
| Port Royal, Beaufort | 29935 |
| Pritchardville, Beaufort | 29910 |
| Saint Helena Island, Beaufort | 29920 |
| Seabrook, Beaufort | 29940 |
| Sheldon, Beaufort | 29941 |
| Spring Island, Beaufort | 29909 |
| Sun, Beaufort | 29909 |
| Yemassee, Beaufort | 29945 |