U.S. postal lookup

U.S. ZIP Codes Database 2026

Search by ZIP code, city, county, or state and find clear postal details with maps, time zones, and area code data.

42,735 verified records
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State directory

Kentucky ZIP Codes

Complete postal directory, details, and geographic map for the State of Kentucky.

State ZIP Code City County Area Codes
KY 42103 Bowling Green Warren County 270, 364
KY 42104 Bowling Green Warren County 270, 364
KY 42120 Adolphus Allen County 270, 364, 615, 629
KY 42122 Alvaton Warren County 270, 364
KY 42123 Austin Barren County 270, 364
KY 42124 Beaumont Metcalfe County 270, 364
KY 42127 Cave City Barren County 270, 364
KY 42128 Bowling Green Warren County 270
KY 42129 Edmonton Metcalfe County 270, 364
KY 42130 Eighty Eight Barren County 270, 364
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Geographic Map of Kentucky

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About U.S. ZIP Codes

ZIP codes are a United States Postal Service system introduced in 1963 to make mail routing more accurate and efficient. The standard format uses five digits, while ZIP+4 adds four more digits for a more precise delivery segment.

ZIP codes cover the United States, its territories, military mail routes, and other USPS delivery points. This directory organizes that data for practical lookup by ZIP code, city, county, and state.