Louisville, Kentucky ZIP Codes
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What is the zip code for Louisville, Kentucky? The honest answer is that Louisville does not have just one — it has 66 ZIP codes, from 40201 to 40299. This page gives you the complete list of Louisville ZIP codes, plus free tools to find the exact code for any street address in the city.
Louisville sits primarily in Jefferson County, Kentucky. Its ZIP codes are assigned by the U.S. Postal Service to delivery areas across the city — homes, businesses, government offices, and PO boxes. Scroll down for the full list, or jump straight to your address with the ZIP code by address lookup.
Complete List of Louisville ZIP Codes
All 66 louisville zip codes, sorted from lowest to highest (40201 to 40299):
About Louisville ZIP Codes
ZIP codes in Louisville, Kentucky run from 40201 to 40299 — 66 codes in total. Each one maps to a USPS delivery area, which is why the correct code depends on the exact street address, not just the city name.
Louisville sits mainly in Jefferson County, Kentucky. ZIP codes here serve downtown districts, residential neighborhoods, business centers, and surrounding communities that share a Louisville mailing address.
Mailing to Louisville? Using the correct ZIP code — and the ZIP+4 add-on where it matters — keeps letters and packages moving without delays or returns. Before you send, you can confirm any Louisville address with our free Address Verification tool, and find the full 9-digit code with the ZIP+4 Lookup.
How to Find Your Louisville ZIP Code
Enter a Louisville street address to get its exact 5-digit ZIP code instantly.
Look up Louisville, Kentucky to see the full list of ZIP codes used across the city.
Explore ZIP codes for every covered city in Kentucky on the state page.
Frequently Asked Questions
How many ZIP codes does Louisville have?
Louisville has 66 ZIP codes, ranging from 40201 to 40299. The complete list is on this page.
What is the ZIP code of Louisville, Kentucky?
There is no single ZIP code for Louisville — the city uses 66 ZIP codes (40201 to 40299). Enter your street address in our ZIP Code by Address tool to find your exact one.
What county is Louisville, Kentucky in?
Louisville is primarily in Jefferson County, Kentucky.
What is the ZIP code range for Louisville?
ZIP codes in Louisville start at 40201 and go up to 40299. Codes are assigned by delivery area, so the lowest codes generally sit closest to the city center and rise as you move outward.
Why does Louisville have 66 different ZIP codes?
The Postal Service creates a new ZIP code whenever a delivery area grows too large for one code to handle efficiently. A city the size of Louisville has many delivery routes — neighborhoods, business districts, and high-volume mailers each need their own code so mail can be sorted and delivered accurately.
How do I find my ZIP+4 code in Louisville?
Use our free ZIP+4 Lookup tool — enter your Louisville street address to get the full 9-digit code.
More Cities in Kentucky
ZIP codes for other cities in Kentucky:
Related ZIP Code Tools
Find the ZIP code for any Louisville street address.
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