ZIP code · Graysville · Tennessee · United States

ZIP code 37338 — Graysville

ZIP code 37338 serves Graysville, Tennessee.

Postal code
37338
Single source Value from one source, not cross-checked.
City
Graysville
County
Rhea FIPS 47143
State
Tennessee
Country
United States
Coordinates
35.4484, -85.1790 — precision precise (locality)
View on OpenStreetMap
Population
2,991 (ZCTA, ACS 5-year)
Population density
41 / sq mi
Land area
72.4 sq mi (187.5 km²) (ZCTA, ACS 5-year)
Median household income
$38,111
Per-capita income
$27,970
Median age
47.2
Households
1,184
Housing units
1,315
Median home value
$121,900
Median gross rent
$750 / month
Congressional districts
TN-4 (also TN-3) (119th Congress)
USDA hardiness zone
7b (5 to 10 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/New_York (UTC−5 / UTC−4 DST)
Area code
423 (from the nearest rate centre)
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 88°F), coldest Jan (avg low 30°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F495463727985888883736152
Avg low °F303339475563676659483833
Precip in4.85.15.35.34.84.95.23.83.83.54.45.3

NOAA 1991–2020 climate normals from the nearest station: PIKEVILLE (10.4 mi) · NOAA NCEI

Places in ZIP 37338

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page