ZIP codes in Assumption Parish
9 ZIPs touch Assumption Parish, Louisiana. The blue dashed line is the county border; orange ZIPs reach into it.
9
ZIP codes
4
cross the county line
98,334
people in these ZIPs
64
counties in LA
Most people
Assumption Parish ZIP list
More counties in Louisiana
- Acadia Parish16
- Allen Parish13
- Ascension Parish12
- Avoyelles Parish17
- Beauregard Parish9
- Bienville Parish14
- Bossier Parish39
- Caddo Parish28
- Calcasieu Parish23
Questions people actually ask
How many ZIP codes are in Assumption Parish, Louisiana?
9 ZIP codes reach into Assumption Parish. 4 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Assumption Parish has the most people?
70301 (Thibodaux) has about 50,095 residents, the most of any ZIP touching Assumption Parish, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Assumption 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 Assumption 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