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Piney Flats, TN ZIP codes

Piney Flats, Tennessee has 2 ZIP codes, including 1 PO Box ZIP. They are in Sullivan County.

Population in these ZIPs
9,495
Avg. median income
$84,300population-weighted
Typical home value
$383,200population-weighted
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ZIP codes within 10 miles

Piney Flats, TN ZIP codes list

Piney Flats, TN ZIP codes
ZIP codeCountyPopulationMedian incomeTypical home value
37686Sullivan County9,495$84,264$383,200
37699 PO BoxSullivan County———

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Cities near Piney Flats

Frequently asked questions

What is the ZIP code for Piney Flats, TN?

Piney Flats, TN has 2 ZIP codes: 37686 and 37699.

What county is Piney Flats, Tennessee in?

Piney Flats ZIP codes are in Sullivan County.

Which Piney Flats ZIP codes are PO Boxes?

37699 is a PO Box or single-organization ZIP code; it has no residential delivery area.