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
Maps and coordinates
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 47907 West Lafayette Tippecanoe County 765
IN 47909 Lafayette Tippecanoe County 765
IN 47916 Alamo Montgomery County 765
IN 47917 Ambia Benton County 217, 447, 765, 779, 815
IN 47918 Attica Fountain County 765
IN 47920 Battle Ground Tippecanoe County 765
IN 47921 Boswell Benton County 765
IN 47922 Brook Newton County 219
IN 47923 Brookston White County 219, 574, 765
IN 47924 Buck Creek Tippecanoe County 765
Page 93 of 100

Geographic Map of Indiana

Postal context

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.