ZIP codes in West Baton Rouge Parish
5 ZIPs touch West Baton Rouge Parish, Louisiana. The blue dashed line is the county border; orange ZIPs reach into it.
5
ZIP codes
3
cross the county line
42,769
people in these ZIPs
64
counties in LA
Most people
West Baton Rouge Parish ZIP list
More counties in Louisiana
- Terrebonne Parish14
- Union Parish9
- Vermilion Parish13
- Vernon Parish15
- Washington Parish8
- Webster Parish13
- West Carroll Parish5
- West Feliciana Parish5
- Winn Parish13
Questions people actually ask
How many ZIP codes are in West Baton Rouge Parish, Louisiana?
5 ZIP codes reach into West Baton Rouge Parish. 3 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in West Baton Rouge Parish has the most people?
70767 (Port Allen) has about 14,900 residents, the most of any ZIP touching West Baton Rouge Parish, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in West Baton Rouge 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 West Baton Rouge 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