ZIP code · Fall Branch · Tennessee · United States
ZIP code 37656 — Fall Branch
ZIP code 37656 serves Fall Branch, Tennessee.
- Postal code
- 37656Single source Value from one source, not cross-checked.
- City
- Fall Branch
- County
- Washington FIPS 47179
- State
- Tennessee
- Country
- United States
- Coordinates
- 36.4158, -82.6256 — precision precise (locality)
View on OpenStreetMap - Population
- 3,566 (ZCTA, ACS 5-year)
- Population density
- 123 / sq mi
- Land area
- 29.1 sq mi (75.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $65,731
- Per-capita income
- $38,366
- Median age
- 52
- Households
- 1,445
- Housing units
- 1,647
- Median home value
- $231,900
- Median gross rent
- $830 / month
- Congressional district
- TN-1 (119th Congress)
- USDA hardiness zone
- 7a (0 to 5 °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
- 423Telephone 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.
Tools: compare 37656 with another ZIP · ZIPs within 25 miles · distance from 37656
Map of ZIP code 37656
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 27°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 46 | 51 | 60 | 71 | 78 | 84 | 87 | 86 | 81 | 71 | 59 | 50 |
| Avg low °F | 27 | 30 | 36 | 45 | 54 | 62 | 66 | 65 | 58 | 46 | 36 | 30 |
| Precip in | 3.9 | 4.0 | 4.1 | 4.0 | 3.8 | 3.7 | 5.0 | 3.8 | 3.0 | 2.4 | 3.2 | 4.0 |
NOAA 1991–2020 climate normals from the nearest station: KINGSPORT (9.0 mi) · NOAA NCEI
Places in ZIP 37656
- 1 schools
- 1 playgrounds
- 1 post offices
- 8 places of worship
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