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
All states and U.S. territories
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State directory

Indiana ZIP Codes

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

State ZIP Code City County Area Codes
IN 47016 Cedar Grove Franklin County 283, 513, 765, 812, 930
IN 47017 Cross Plains Ripley County 812, 930
IN 47018 Dillsboro Dearborn County 812, 930
IN 47019 East Enterprise Switzerland County 812
IN 47020 Florence Switzerland County 812, 859, 930
IN 47021 Friendship Ripley County 812, 930
IN 47022 Guilford Dearborn County 812, 930
IN 47023 Holton Ripley County 812, 930
IN 47024 Laurel Franklin County 765, 812, 930
IN 47025 Lawrenceburg Dearborn County 283, 513, 812, 859, 930
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Geographic Map of Indiana

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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.