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Louisiana ZIP codes

All 719 ZIPs in Louisiana, 70001 to 71497. Tap one on the map or in the list.

719

ZIP codes

4,611,457

people live in them

64

counties

180

PO Box & no-area ZIPs

Most people

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All 719 Louisiana 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 Louisiana?

719 ZIP codes are in use in Louisiana. 539 cover a delivery area, and 180 are PO Box, single-building or organization ZIPs with no area of their own.

What do Louisiana ZIP codes start with?

Louisiana ZIP codes start with these three-digit prefixes: 700–701, 703–708, 710–714. Each prefix is a mail sorting area run from one processing center.

Which Louisiana ZIP code has the most people?

70726 in Denham Springs has the most residents of any Louisiana ZIP, about 63,575 people in the Census Bureau’s ACS 2020–2024 estimates.

Which Louisiana county has the most ZIP codes?

Orleans Parish touches 60 ZIP codes, the most of the 64 counties in Louisiana. 148 Louisiana 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.

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