6 zips
| Zip Code | City | Population ↓ |
|---|---|---|
| 37861 | Rutledge | 8,256 |
| 37708 | Bean Station | 6,365 |
| 37709 | Blaine | 3,746 |
| 37888 | Washburn | 3,623 |
| 37881 | Thorn Hill | 1,829 |
| 37848 | Powder Springs | 135 |
The data shown reflect ZCTAs from the US Census. As of 2024, there are 6 ZCTAs in Grainger County, Tennessee (US Census).