3 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 39466 | Picayune | 28,433 |
| 39426 | Carriere | 17,393 |
| 39470 | Poplarville | 12,422 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 3 ZCTAs in Pearl River County, Mississippi (US Census).