ZIP code · Chattanooga · Tennessee · United States
ZIP code 37405 — Chattanooga
ZIP code 37405 serves Chattanooga, Tennessee.
- Postal code
- 37405Single source Value from one source, not cross-checked.
- City
- Chattanooga
- County
- Hamilton FIPS 47065
- State
- Tennessee
- Country
- United States
- Coordinates
- 35.0768, -85.3082 — precision precise (locality)
View on OpenStreetMap - Population
- 18,535 (ZCTA, ACS 5-year)
- Population density
- 341 / sq mi
- Land area
- 54.3 sq mi (140.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $77,850
- Per-capita income
- $65,829
- Median age
- 36
- Households
- 8,642
- Housing units
- 9,959
- Median home value
- $416,900
- Median gross rent
- $1,276 / 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
- 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 37405 with another ZIP · ZIPs within 25 miles · distance from 37405
Map of ZIP code 37405
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 (5.1 mi) · NOAA NCEI
Places in ZIP 37405
- 14 schools
- 1 hospitals & clinics
- 3 doctors & dentists
- 3 pharmacies
- 5 supermarkets
- 61 restaurants & cafés
- 5 bars & pubs
- 14 parks
- 10 playgrounds
- 4 gyms & sports centres
- 1 post offices
- 24 places of worship
- 4 banks
- 9 gas stations
- 2 EV charging stations
- 2 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