| Localité | Code postal |
|---|---|
| Barth, Pearl River | 39470 |
| Caesar, Pearl River | 39466 |
| Carriere, Pearl River | 39426 |
| Crossroads, Pearl River | 39470 |
| Cybur, Pearl River | 39466 |
| Derby, Pearl River | 39470 |
| Fords Creek, Pearl River | 39470 |
| Goodyear, Pearl River | 39466 |
| Greenbrier Park, Pearl River | 39466 |
| Henleyfield, Pearl River | 39426 |
| Hillsdale, Pearl River | 39470 |
| Industrial, Pearl River | 39466 |
| Lumberton, Pearl River | 39455 |
| McNeill, Pearl River | 39457 |
| Mill Creek, Pearl River | 39426 |
| Nicholson, Pearl River | 39463 |
| Ozona, Pearl River | 39426 |
| Picayune, Pearl River | 39466 |
| Poplarville, Pearl River | 39470 |
| Richardson, Pearl River | 39466 |
| Savannah, Pearl River | 39470 |
| West Poplarville, Pearl River | 39470 |