6 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 39114 | Mendenhall | 9,799 |
| 39111 | Magee | 8,889 |
| 39044 | Braxton | 2,828 |
| 39149 | Pinola | 1,244 |
| 39082 | Harrisville | 893 |
| 39062 | D Lo | 535 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in Simpson County, Mississippi (US Census).