Washington County, Tennessee ZIP codes
11ZIP codes
6Cities and towns
146,067People in ZIP areas
423Area code
Washington County is in Tennessee and the Eastern Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.
All ZIP codes in Washington County
| ZIP code | City | Type | Population | Median income |
|---|---|---|---|---|
| 37601 | Johnson City | Standard | 38,008 | $50,686 |
| 37602 | Johnson City | PO Box only | – | – |
| 37604 | Johnson City | Standard | 39,097 | $52,345 |
| 37605 | Johnson City | PO Box only | – | – |
| 37614 | Johnson City | PO Box only | 2,767 | – |
| 37615 | Johnson City | Standard | 22,821 | $77,525 |
| 37656 | Fall Branch | Standard | 3,849 | $63,617 |
| 37659 | Jonesborough | Standard | 29,080 | $71,110 |
| 37681 | Limestone | Standard | 5,723 | $65,857 |
| 37684 | Mountain Home | PO Box only | – | – |
| 37690 | Telford | Standard | 4,722 | $74,286 |
Cities and towns in Washington County
- Johnson City 6 ZIPs
- Fall Branch 1 ZIP
- Jonesborough 1 ZIP
- Limestone 1 ZIP
- Mountain Home 1 ZIP
- Telford 1 ZIP
Area codes in Washington County
Questions
- How many ZIP codes are in Washington County, TN?
- Washington County has 11 ZIP codes, 7 of them standard ZIP codes for street addresses.
- What cities are in Washington County?
- Washington County ZIP codes cover Johnson City, Fall Branch, Jonesborough, Limestone, Mountain Home and Telford.
- What area code is Washington County, TN?
- Washington County uses area code 423.
- What time zone is Washington County in?
- Washington County is in Eastern Time.
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