ZIP code · Franklin · Kentucky · United States
ZIP code 42135 — Franklin
ZIP code 42135 serves Franklin, Kentucky.
- Postal code
- 42135Single source Value from one source, not cross-checked.
- City
- Franklin
- County
- Simpson
- State
- Kentucky
- Country
- United States
- Coordinates
- 36.7223, -86.5772 — precision precise (locality)
View on OpenStreetMap - 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/Chicago (UTC−6 / UTC−5 DST)
- Area code
- 270Telephone 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 42135 with another ZIP · ZIPs within 25 miles · distance from 42135
Climate — monthly normals
Warmest month Jul (avg high 89°F), coldest Jan (avg low 27°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 45 | 50 | 59 | 70 | 78 | 85 | 89 | 88 | 82 | 71 | 59 | 49 |
| Avg low °F | 27 | 30 | 37 | 47 | 57 | 65 | 69 | 67 | 60 | 48 | 37 | 30 |
| Precip in | 4.2 | 4.7 | 5.1 | 5.2 | 5.8 | 4.4 | 4.6 | 4.2 | 3.6 | 3.7 | 3.8 | 5.1 |
NOAA 1991–2020 climate normals from the nearest station: PORTLAND SEWAGE PLT (9.7 mi) · NOAA NCEI
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 · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page