ZIP code · Butler · Tennessee · United States
ZIP code 37640 — Butler
ZIP code 37640 serves Butler, Tennessee.
- Postal code
- 37640Single source Value from one source, not cross-checked.
- City
- Butler
- County
- Johnson FIPS 47091
- State
- Tennessee
- Country
- United States
- Coordinates
- 36.3282, -81.9856 — precision precise (locality)
View on OpenStreetMap - Population
- 3,343 (ZCTA, ACS 5-year)
- Population density
- 32 / sq mi
- Land area
- 105 sq mi (272 km²) (ZCTA, ACS 5-year)
- Median household income
- $47,404
- Per-capita income
- $32,111
- Median age
- 54
- Households
- 1,638
- Housing units
- 2,344
- Median home value
- $154,400
- Median gross rent
- $674 / 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 37640 with another ZIP · ZIPs within 25 miles · distance from 37640
Map of ZIP code 37640
Climate — monthly normals
Warmest month Jul (avg high 79°F), coldest Jan (avg low 24°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 42 | 44 | 52 | 62 | 70 | 75 | 79 | 78 | 73 | 64 | 53 | 46 |
| Avg low °F | 24 | 27 | 33 | 42 | 50 | 58 | 61 | 60 | 54 | 44 | 35 | 28 |
| Precip in | 4.4 | 3.7 | 4.3 | 4.6 | 4.4 | 5.2 | 5.2 | 4.2 | 3.0 | 3.0 | 3.0 | 4.0 |
NOAA 1991–2020 climate normals from the nearest station: FLAT SPRINGS 1E (6.6 mi) · NOAA NCEI
Places in ZIP 37640
- 2 schools
- 1 parks
- 1 post offices
- 19 places of worship
- 1 gas 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