37921 Zip code is used for Karns Area Code City in Knox County, Tennessee in Usa. The ZIP Codes / Postal Codes are Used by USPS (United States Postal Service known as “Post Office”, “ Usa Mail”, or” Postal Service”, an independent agency of the United States federal government responsible for providing postal service in the United States). Below is the detail for 37921, Karns Area Code City.
| Zip Code | : | 37921 |
| City Name | : | Karns Area Code |
| County Name | : | Knox County |
| State Name | : | Tennessee |
| Country Name | : | USA |
| Area Code | : | 865 |
| Time Zone | : | EST |
| Country Code | : | +1 |
| Currency | : | $ USA Dollor |
| ISO Code | : | USA |