ZIP Codes in Piney Flats, TN
Piney Flats uses 1 ZIP code, all in Sullivan County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 1 Piney Flats ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 37686 | standard | Sullivan | 9,495 |
Finding a ZIP+4 in Piney Flats
Knowing which of these 1 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Piney Flats street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
Upload a CSV of Piney Flats addresses and download it complete.