4 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 59825 | Clinton | 2,229 |
| 59858 | Philipsburg | 1,678 |
| 59832 | Drummond | 891 |
| 59837 | Hall | 368 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 4 ZCTAs in Granite County, Montana (US Census).