Indiana ZIP codes

All 968 ZIPs in Indiana, 46001 to 47997. Tap one on the map or in the list.

968

ZIP codes

6,851,073

people live in them

92

counties

161

PO Box & no-area ZIPs

Most people

All 968 Indiana ZIP codes

ZIP codes by county

Pick a county for its ZIP list and map. Counts include ZIPs that only partly reach into the county.

Questions people actually ask

How many ZIP codes are in Indiana?

968 ZIP codes are in use in Indiana. 807 cover a delivery area, and 161 are PO Box, single-building or organization ZIPs with no area of their own.

What do Indiana ZIP codes start with?

Indiana ZIP codes start with these three-digit prefixes: 460–479. Each prefix is a mail sorting area run from one processing center.

Which Indiana ZIP code has the most people?

47906 in West Lafayette has the most residents of any Indiana ZIP, about 75,198 people in the Census Bureau’s ACS 2020–2024 estimates.

Which Indiana county has the most ZIP codes?

Marion County touches 65 ZIP codes, the most of the 92 counties in Indiana. 359 Indiana ZIPs reach into more than one county.

Are these the official USPS ZIP code boundaries?

The map uses Census ZIP Code Tabulation Areas, the standard public stand-in for USPS delivery areas. They match for almost every home. For a mailing address, the USPS ZIP Code lookup has the final word.

Updated 2026-11-10 · Where the data comes from