In which county is ZIP code 42431 located?

ZIP 42431 is listed under Hopkins, KY.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 42431: Madisonville, KY

ZIP: 42431

County: Hopkins

Coordinates: 37.32560, -87.49530

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 42431, serving Madisonville in KY. It lies in Hopkins and supports delivery, planning, and address verification.

Primary City	Madisonville
ZIP Code	42431
County	Hopkins
State	KY
Latitude / Longitude	37.32560, -87.49530
ZIP Type	Standard
Time Zone	Central Time (CT)
Data Updated	2026-01-08

Maps & Useful Links

Open in Maps: Google Maps · OpenStreetMap

These links show the approximate center point for ZIP 42431 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 42431 is approximately 37.32560 (latitude) and -87.49530 (longitude). This location sits within Hopkins, contributing to regional planning across KY.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 42431 for mail delivery and general location reference in Hopkins, KY.

This ZIP may extend beyond the city core into nearby communities within Hopkins.

Related ZIP Codes (Nearby)

Explore other postal codes near Madisonville within KY.

Frequently Asked Questions

What is the primary city for ZIP code 42431?

The primary city for this ZIP code is Madisonville, located in KY.

In which county is 42431 located?

ZIP code 42431 is situated within Hopkins, KY.

What are the coordinates for 42431?

The approximate center point is 37.32560 (Latitude) and -87.49530 (Longitude).

Is ZIP code 42431 active?

This page lists ZIP 42431 as Listed based on the latest refresh date shown above.

Does ZIP 42431 cover multiple areas?

Yes. Many ZIP codes cover multiple neighborhoods or nearby areas. For exact boundaries, use official mapping tools.

Methodology & Data Notes

How we build this page: We generate this page from a structured ZIP dataset and refresh key fields (city, county, and coordinates) during scheduled updates. Coordinates represent an approximate center point, not an official boundary map.
Sources: Public ZIP reference datasets and geographic coordinate references. If you use specific sources (e.g., USPS, Census), list them on your About/Methodology page.

Page updated: 2026-01-08