ZIP CodesZIP codes in Washington County, Tennessee
Washington County, Tennessee has 11 ZIP codes in this list, from 37601 to 37690. They cover 6 places, among them Johnson City, Fall Branch, Jonesborough and Limestone.
| ZIP code | Place | Land area (sq mi) | Map point |
|---|---|---|---|
| 37601 | Johnson City | 47.7 | 36.334, -82.341 |
| 37602 | Johnson City | no area | 36.272, -82.501 |
| 37604 | Johnson City | 33.0 | 36.311, -82.381 |
| 37605 | Johnson City | no area | 36.316, -82.384 |
| 37614 | Johnson City | 0.5 | 36.157, -82.563 |
| 37615 | Johnson City | 37.7 | 36.400, -82.452 |
| 37656 | Fall Branch | 29.1 | 36.416, -82.626 |
| 37659 | Jonesborough | 127 | 36.295, -82.490 |
| 37681 | Limestone | 65.2 | 36.254, -82.625 |
| 37684 | Mountain Home | no area | 36.311, -82.373 |
| 37690 | Telford | 25.2 | 36.245, -82.537 |
The ZIP code areas of Washington County add up to about 365 square miles of land (946 sq km) as the Census Bureau draws them. The largest is 37659 (Jonesborough), with 127 square miles.
Places with more than one code here: Johnson City (6 codes).
Using these codes
- In an address, the ZIP code comes last, after the city and the two-letter state: Johnson City, TN 37601.
- 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.