ZIP Code 42171 – Smiths Grove, KY
Smiths Grove, Kentucky · Warren County · Central time
| ZIP code | 42171 |
|---|---|
| City | Smiths Grove |
| State | Kentucky |
| County | Warren CountyEdmonson CountyBarren County |
| Population | 6,723 |
| Time zone | Central · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 103.24 sq mi |
| Center (lat, long) | 37.0364, -86.1744 |
Area codes in this area
These are the area codes that most often serve ZIP 42171 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 42171
ZIP code 42171 is assigned to Smiths Grove, Kentucky. It crosses 3 counties; most of its land is in Warren County. Its Census area covers about 103.24 square miles of land. The closest neighboring ZIP is 42163 (Rocky Hill), about 3.7 miles away.
Every address in 42171 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources