7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 65401 | Rolla | 32,444 |
| 65559 | Saint James | 9,042 |
| 65550 | Newburg | 3,232 |
| 65462 | Edgar Springs | 1,154 |
| 65529 | Jerome | 289 |
| 65409 | Rolla | 13 |
| 65436 | Beulah | 0 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Phelps County, Missouri (US Census).