7 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 59722 | Deer Lodge | 5,732 |
| 59728 | Elliston | 394 |
| 59713 | Avon | 253 |
| 59843 | Helmville | 251 |
| 59731 | Garrison | 198 |
| 59733 | Gold Creek | 196 |
| 59854 | Ovando | 195 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 7 ZCTAs in Powell County, Montana (US Census).