ZIP Code 37742
Greenback · Loudon, Tennessee
37742 is the ZIP code of Greenback in Loudon, Tennessee, United States.
- ZIP Code
- 37742
- County
- Loudon
- State
- Tennessee
- Country
- United States
Place with ZIP code 37742
| Place | County | Location |
|---|---|---|
| Greenback | Loudon | 35.657, -84.171 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 37742?
Greenback.
Which county and state is 37742 in?
Loudon, 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.