About ZIP code 37721
The ZIP code 37721 routes mail to Corryton in the Tennessee region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States ยท ZIP code
37721 - Corryton
ZIP code 37721 is Corryton in Tennessee, United States.
| ZIP code | 37721 |
| Place | Corryton |
| Region | Tennessee |
| District | Knox |
| Country | United States (US) |
| Coordinates | 36.12, -83.813 (map) |