Postal reference / United States

42031Clinton, Kentucky

ZIP code 42031 is a United States postal code for Clinton, Kentucky. Its county association is Hickman County. The map reference point is at 36.6675, -88.9676.

State / territory
Kentucky
Recorded place name
Clinton
County association
Hickman
Estimated coordinate
36.6675, -88.9676
View on OpenStreetMap
ZIP prefix
420 · 52 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
147.098 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.

Need the last four digits?

ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.

Find ZIP+4

Explore Kentucky

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

Kentucky directory

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
42021ArlingtonKYCarlisle8.8
42041FultonKYFulton9.8
42070MilburnKYCarlisle9.8
42032ColumbusKYHickman9.9
42085Water ValleyKYGraves11.1
42039Fancy FarmKYGraves12.3
42088WingoKYGraves13.0
38257South FultonTNObion13.7

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

Verify a mailing address

For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.

Open USPS address lookup