USA Zip Code Finder

Kentucky ZIP Codes

Kentucky ZIP codes cover major cities like Louisville, Lexington, Bowling Green, and smaller towns across the state. ZIP codes starting with 400–427 are unique to Kentucky.

Quick Facts

  • Total ZIP Codes: 1,200
  • Largest City: Louisville
  • ZIP Range: 40003 – 42788
  • Area Codes: 270, 364, 502, 606, 859

Population Highlights

  • Louisville Metro: ~1.3M
  • Lexington Metro: ~0.520M
  • Bowling Green Metro: ~0.180M

Major Counties

  • Jefferson: 40201–40299
  • Fayette: 40502–40598
  • Warren: 42101–42167
  • Boone: 41001–41099
  • Madison: 40330–40475

Regional ZIP Distribution

  • Northern KY: 40003–41099
  • Central KY: 40330–42167
  • Western KY: 42001–42788

Area Codes

  • 270, 364, 502, 606, 859: Entire state

Transportation & Landmarks

  • Major Airports: Louisville Intl (SDF), Blue Grass Airport (LEX)
  • Major Highways: I-64, I-65, I-75
  • Landmarks: Mammoth Cave, Churchill Downs, Red River Gorge

Notable ZIP Codes

Some ZIP codes in Kentucky are especially significant. 40202 covers downtown Louisville, 40508 covers central Lexington, and 42101 covers Bowling Green. Rural ZIP codes include 42003 and 42701.

Kentucky ZIP Code Directory

ZIP Code â–² Common City â–²

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