ZIP code · Signal Mountain · Tennessee · United States
ZIP code 37377 — Signal Mountain
ZIP code 37377 serves Signal Mountain, Tennessee.
- Postal code
- 37377Single source Value from one source, not cross-checked.
- City
- Signal Mountain
- County
- Hamilton FIPS 47065
- State
- Tennessee
- Country
- United States
- Coordinates
- 35.1494, -85.3362 — precision precise (locality)
View on OpenStreetMap - Population
- 16,819 (ZCTA, ACS 5-year)
- Population density
- 209 / sq mi
- Land area
- 80.5 sq mi (208.4 km²) (ZCTA, ACS 5-year)
- Median household income
- $115,959
- Per-capita income
- $66,141
- Median age
- 43.7
- Households
- 6,259
- Housing units
- 6,726
- Median home value
- $483,800
- Median gross rent
- $1,389 / month
- Congressional districts
- TN-3 (also TN-4) (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.
Tools: compare 37377 with another ZIP · ZIPs within 25 miles · distance from 37377
Map of ZIP code 37377
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 29°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 46 | 49 | 58 | 68 | 74 | 81 | 84 | 82 | 78 | 67 | 57 | 49 |
| Avg low °F | 29 | 31 | 39 | 47 | 57 | 65 | 67 | 67 | 61 | 51 | 40 | 32 |
| Precip in | 5.5 | 6.0 | 5.6 | 5.5 | 4.3 | 4.2 | 4.8 | 4.0 | 4.9 | 3.8 | 4.6 | 5.4 |
NOAA 1991–2020 climate normals from the nearest station: LOOKOUT MTN-POINT PARK (9.7 mi) · NOAA NCEI
Places in ZIP 37377
- 7 schools
- 1 hospitals & clinics
- 4 doctors & dentists
- 2 pharmacies
- 2 supermarkets
- 12 restaurants & cafés
- 1 bars & pubs
- 11 parks
- 13 playgrounds
- 2 gyms & sports centres
- 1 libraries
- 1 post offices
- 25 places of worship
- 4 banks
- 2 gas stations
- 1 police & fire stations
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