In which county is ZIP code 40020 located?

ZIP 40020 is listed under Nelson, KY.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 40020: Fairfield, KY

ZIP: 40020

County: Nelson

Coordinates: 37.93400, -85.38620

ZIP Type: Standard

Time Zone: Central Time (CT)

Get a reliable snapshot of the Fairfield, KY postal area 40020. This page summarizes county, coordinates, and local facts to help with services and location research.

Primary City	Fairfield
ZIP Code	40020
County	Nelson
State	KY
Latitude / Longitude	37.93400, -85.38620
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 40020 (not an exact boundary).

Geographic & Administrative Context

The geographic center of ZIP code 40020 is approximately 37.93400 (latitude) and -85.38620 (longitude). This location sits within Nelson, contributing to regional planning across KY.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 40020 for mail delivery and general location reference in Nelson, KY.

Coverage may include nearby neighborhoods and adjacent unincorporated areas commonly associated with Fairfield.

Related ZIP Codes (Nearby)

Explore other postal codes near Fairfield within KY.

Frequently Asked Questions

What is the primary city for ZIP code 40020?

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

In which county is 40020 located?

ZIP code 40020 is situated within Nelson, KY.

What are the coordinates for 40020?

The approximate center point is 37.93400 (Latitude) and -85.38620 (Longitude).

Is ZIP code 40020 active?

This page lists ZIP 40020 as Listed based on the latest refresh date shown above.

Does ZIP 40020 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