In which county is ZIP code 40243 located?

ZIP 40243 is listed under Jefferson, KY.

When was this page updated?

This page was updated on 2026-01-08.

ZIP Code 40243: Louisville, KY

ZIP: 40243

County: Jefferson

Coordinates: 38.24220, -85.53530

ZIP Type: Standard

Time Zone: Central Time (CT)

This profile provides an in-depth look at ZIP code 40243, serving Louisville in KY. It lies in Jefferson and supports delivery, planning, and address verification.

Primary City	Louisville
ZIP Code	40243
County	Jefferson
State	KY
Latitude / Longitude	38.24220, -85.53530
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 40243 (not an exact boundary).

Geographic & Administrative Context

Coordinates for 40243 are listed as 38.24220 / -85.53530, useful for GPS and service checks in and around Louisville, KY.

Local Coverage Notes

ZIP codes can cover multiple neighborhoods and unincorporated areas. Use ZIP 40243 for mail delivery and general location reference in Jefferson, KY.

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

Related ZIP Codes (Nearby)

Explore other postal codes near Louisville within KY.

Frequently Asked Questions

What is the primary city for ZIP code 40243?

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

In which county is 40243 located?

ZIP code 40243 is situated within Jefferson, KY.

What are the coordinates for 40243?

The approximate center point is 38.24220 (Latitude) and -85.53530 (Longitude).

Is ZIP code 40243 active?

This page lists ZIP 40243 as Listed based on the latest refresh date shown above.

Does ZIP 40243 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