Postal reference / United States
37699Piney Flats, Tennessee
ZIP code 37699 is a United States postal code for Piney Flats, Tennessee. Its county association is Sullivan County. The map reference point is at 36.4195, -82.304.
- State / territory
- Tennessee
- Recorded place name
- Piney Flats
- County association
- Sullivan
- Estimated coordinate
- 36.4195, -82.304
View on OpenStreetMap - ZIP prefix
- 376 · 42 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
Need the last four digits?
ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.
Find ZIP+4Explore Tennessee
Browse the other 784 ZIP codes recorded for Tennessee, sorted by code with place and county.
Tennessee directoryOther ZIP codes in Piney Flats, TN
Piney Flats has 2 ZIP codes in the reference dataset.
- 37686Sullivan
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 37686 | Piney Flats | TN | Sullivan | 2.5 |
| 37694 | Watauga | TN | Carter | 3.9 |
| 37618 | Bluff City | TN | Sullivan | 5.5 |
| 37621 | Bristol | TN | Sullivan | 6.3 |
| 37601 | Johnson City | TN | Washington | 6.3 |
| 37644 | Elizabethton | TN | Carter | 7.1 |
| 37643 | Elizabethton | TN | Carter | 7.7 |
| 37615 | Johnson City | TN | Washington | 8.4 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
Verify a mailing address
For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.
Open USPS address lookup