ZIP Code 37721
Corryton · Knox, Tennessee
37721 is the ZIP code of Corryton in Knox, Tennessee, United States.
- ZIP Code
- 37721
- County
- Knox
- State
- Tennessee
- Country
- United States
Place with ZIP code 37721
| Place | County | Location |
|---|---|---|
| Corryton | Knox | 36.120, -83.813 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 37721?
Corryton.
Which county and state is 37721 in?
Knox, Tennessee, United States.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.