There are 8 zip codes in Washington County, Tennessee. The most populated is 37601, located in Johnson City. * 2024 populations estimated based on the latest ACS 5-year data.
Zip Code | City | Population |
---|---|---|
37601 | Johnson City | 38,223 |
37604 | Johnson City | 37,090 |
37659 | Jonesborough | 28,040 |
37615 | Johnson City | 22,268 |
37681 | Limestone | 6,122 |
37690 | Telford | 4,966 |
37656 | Fall Branch | 3,652 |
37614 | Johnson City | 2,632 |