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ZIP codes in Allen County, Kentucky

Allen County, Kentucky has 3 ZIP codes in this list, from 42120 to 42164. They cover 3 places, among them Adolphus, Holland and Scottsville.

ZIP codePlaceLand area (sq mi)Map point
42120Adolphus43.236.678, -86.264
42153Holland4.036.667, -86.050
42164Scottsville26136.761, -86.193

The ZIP code areas of Allen County add up to about 309 square miles of land (799 sq km) as the Census Bureau draws them. The largest is 42164 (Scottsville), with 261 square miles.

Using these codes

Places and counties: GeoNames. Areas: U.S. Census Bureau, 2024 ZIP Code Tabulation Areas. Checked in November 2026. This site is not connected with the United States Postal Service; for mailing, confirm the address with USPS.

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