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State ZIP codes · KY

Kentucky ZIP Codes

Kentucky has 780 residential ZIP codes in 120 counties, with first three digits 400–418, 420–427, plus 166 PO Box or single-organization ZIP codes (Census 2020 ZCTAs; GeoNames postal codes, October 2026).

  • ACS2020-24
  • Census2020
  • GeoNames2026

Map of Kentucky's ZIP codes

Map of the residential ZIP codes of Kentucky, shaded by median household income in national fifths
Residential ZIP codes (Census 2020 ZCTA outlines), shaded by median household income in national fifths (ACS 2020-2024). The full list follows. <$54.1k$98.1k+

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

Which Kentucky ZIP codes earn the most and least?

Highest median household income
40510Lexington · $161,938
Lowest median household income
40935Flat Lick · $23,157
Highest median home value
40510Lexington · $695,400
Lowest median home value
40972Oneida · $50,500

Highest and lowest among the ZIP codes of 1,000 or more people living in households, whose estimate's margin is at most 25% of it (a campus, a base or a ZIP code of a few hundred people does not lead). One more ZIP code, too small or too institutional to rank, reports the cap.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077); every residential ZIP code with an estimate.

Which Kentucky cities have the most ZIP codes?

ZIP codes by their first three digits

  • 400 Louisville, KY 54 ZIPs
  • 401 Louisville, KY 36 ZIPs
  • 402 Louisville, KY 66 ZIPs
  • 403 Lexington, KY 47 ZIPs
  • 404 Lexington, KY 33 ZIPs
  • 405 Lexington, KY 39 ZIPs
  • 406 Lexington, KY 9 ZIPs
  • 407 Knoxville, TN 19 ZIPs
  • 408 Knoxville, TN 37 ZIPs
  • 409 Knoxville, TN 35 ZIPs
  • 410 Cincinnati, OH 68 ZIPs
  • 411 Charleston, WV 32 ZIPs
  • 412 Charleston, WV 29 ZIPs
  • 413 Lexington, KY 21 ZIPs
  • 414 Lexington, KY 10 ZIPs
  • 415 Charleston, WV 43 ZIPs
  • 416 Charleston, WV 34 ZIPs
  • 417 Knoxville, TN 36 ZIPs
  • 418 Knoxville, TN 33 ZIPs
  • 420 Evansville, IN 52 ZIPs
  • 421 Nashville, TN 33 ZIPs
  • 422 Nashville, TN 36 ZIPs
  • 423 Evansville, IN 45 ZIPs
  • 424 Evansville, IN 32 ZIPs
  • 425 Knoxville, TN 17 ZIPs
  • 426 Knoxville, TN 12 ZIPs
  • 427 Louisville, KY 38 ZIPs

ZIP codes in each county of Kentucky

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file; GeoNames postal codes (CC BY 4.0).

Every ZIP code in Kentucky, by county

Download the 946 ZIP codes as CSV

Adair

Allen

Anderson

Ballard

Barren

Bath

Bell

Boone

Bourbon

Boyd

Boyle

Bracken

Breathitt

Breckinridge

Bullitt

Butler

Caldwell

Calloway

Campbell

Carlisle

Carroll

Carter

Casey

Christian

Clark

Clay

Clinton

Crittenden

Cumberland

Daviess

Edmonson

Elliott

Estill

Fayette

  • 40502 Lexington
  • 40503 Lexington
  • 40504 Lexington
  • 40505 Lexington
  • 40506 Lexington PO Box or unique
  • 40507 Lexington
  • 40508 Lexington
  • 40509 Lexington
  • 40510 Lexington
  • 40511 Lexington
  • 40512 Lexington PO Box or unique
  • 40513 Lexington
  • 40514 Lexington
  • 40515 Lexington
  • 40516 Lexington
  • 40517 Lexington
  • 40522 Lexington PO Box or unique
  • 40523 Lexington PO Box or unique
  • 40524 Lexington PO Box or unique
  • 40526 Lexington
  • 40533 Lexington PO Box or unique
  • 40536 Lexington
  • 40544 Lexington PO Box or unique
  • 40546 Lexington PO Box or unique
  • 40550 Lexington PO Box or unique
  • 40555 Lexington PO Box or unique
  • 40574 Lexington PO Box or unique
  • 40575 Lexington PO Box or unique
  • 40576 Lexington PO Box or unique
  • 40577 Lexington PO Box or unique
  • 40578 Lexington PO Box or unique
  • 40579 Lexington PO Box or unique
  • 40580 Lexington PO Box or unique
  • 40581 Lexington PO Box or unique
  • 40582 Lexington PO Box or unique
  • 40583 Lexington PO Box or unique
  • 40588 Lexington PO Box or unique
  • 40591 Lexington PO Box or unique
  • 40598 Lexington PO Box or unique

Fleming

Floyd

Franklin

  • 40601 Frankfort
  • 40602 Frankfort PO Box or unique
  • 40603 Frankfort PO Box or unique
  • 40604 Frankfort PO Box or unique
  • 40618 Frankfort PO Box or unique
  • 40619 Frankfort PO Box or unique
  • 40620 Frankfort PO Box or unique
  • 40621 Frankfort PO Box or unique
  • 40622 Frankfort PO Box or unique

Fulton

Gallatin

Garrard

Grant

Graves

Grayson

Green

Greenup

Hancock

Hardin

Harlan

Harrison

Hart

Henderson

Henry

Hickman

Hopkins

Jackson

Jefferson

Jessamine

Johnson

Kenton

Knott

Knox

Larue

Laurel

Lawrence

Lee

Leslie

Letcher

Lewis

Lincoln

Livingston

Logan

Lyon

Madison

Magoffin

Marion

Marshall

Martin

Mason

McCracken

McCreary

McLean

Meade

Menifee

Mercer

Metcalfe

Monroe

Montgomery

Morgan

Muhlenberg

Nelson

Nicholas

Ohio

Oldham

Owen

Owsley

Pendleton

Perry

Pike

Powell

Pulaski

Robertson

Rockcastle

Rowan

Russell

Scott

Shelby

Simpson

Spencer

Taylor

Todd

Trigg

Trimble

Union

Warren

Washington

Wayne

Webster

Whitley

Wolfe

Woodford

Source: U.S. Census Bureau 2020 ZCTAs; GeoNames postal codes for ZIP codes without a residential area.