Postal reference / United States

42171Smiths Grove, Kentucky

ZIP code 42171 is a United States postal code for Smiths Grove, Kentucky. Its county association is Warren County. The map reference point is at 37.0581, -86.1938.

State / territory
Kentucky
Recorded place name
Smiths Grove
County association
Warren
Estimated coordinate
37.0581, -86.1938
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ZIP prefix
421 · 33 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
103.222 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Browse the other 945 ZIP codes recorded for Kentucky, sorted by code with place and county.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
42163Rocky HillKYEdmonson3.3
42159OaklandKYWarren5.2
42160Park CityKYBarren8.5
42128DrakeKYWarren12.2
42210BrownsvilleKYEdmonson12.6
42103Bowling GreenKYWarren12.7
42102Bowling GreenKYWarren14.2
42127Cave CityKYBarren14.3

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