ZIP codes in Plaquemines Parish
10 ZIPs touch Plaquemines Parish, Louisiana. The blue dashed line is the county border; orange ZIPs reach into it.
10
ZIP codes
2
cross the county line
27,631
people in these ZIPs
64
counties in LA
Most people
Plaquemines Parish ZIP list
More counties in Louisiana
- Livingston Parish19
- Madison Parish5
- Morehouse Parish8
- Natchitoches Parish24
- Orleans Parish60
- Ouachita Parish23
- Pointe Coupee Parish17
- Rapides Parish39
- Red River Parish5
- Richland Parish8
- Sabine Parish13
- St. Bernard Parish7
Questions people actually ask
How many ZIP codes are in Plaquemines Parish, Louisiana?
10 ZIP codes reach into Plaquemines Parish, including 1 PO Box or single-address ZIPs placed by the town they serve. 2 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Plaquemines Parish has the most people?
70037 (Belle Chasse) has about 16,639 residents, the most of any ZIP touching Plaquemines Parish, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Plaquemines Parish and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Plaquemines Parish. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
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Updated 2026-11-10 · Where the data comes from