ZIP CodesZIP codes in Johnson County, Tennessee
Johnson County, Tennessee has 5 ZIP codes in this list, from 37640 to 37691. They cover 5 places, among them Butler, Laurel Bloomery, Mountain City and Shady Valley.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 37640 | Butler | 105 | 36.328, -81.986 |
| 37680 | Laurel Bloomery | 29.1 | 36.579, -81.725 |
| 37683 | Mountain City | 134 | 36.466, -81.814 |
| 37688 | Shady Valley | 54.1 | 36.527, -81.907 |
| 37691 | Trade | 14.3 | 36.368, -81.757 |
The ZIP code areas of Johnson County add up to about 337 square miles of land (872 sq km) as the Census Bureau draws them. The largest is 37683 (Mountain City), with 134 square miles.
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Butler, TN 37640.
- Tap a ZIP code to open it in the look-up, with a copy button for the address line.
- A code can cross a county line, and one town can have several codes. The table shows the main place of each code.
- "No area" means the Census Bureau draws no area for that code. Such codes are usually for post office boxes or a single building.
Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.