Washington County, Tennessee
8 ZIP codes · 326.55 sq mi of land · FIPS 47179
| Population | 136,261 |
|---|---|
| State | Tennessee |
| FIPS code | 47179 |
| Time zone | Eastern |
| Land area | 326.55 sq mi |
| Center (lat, long) | 36.2957, -82.4950 |
Area codes in this area
These are the area codes that most often serve Washington County (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Cities and towns (largest first)
ZIP codes in Washington County
37601 Johnson City37604 Johnson City37614 Johnson City37615 Johnson City37656 Fall Branch37659 Jonesborough37681 Limestone37690 Telford
Population: U.S. Census Bureau, ACS 5-year estimates, 2024.