ZIP codes in LaSalle Parish
9 ZIPs touch LaSalle Parish, Louisiana. The blue dashed line is the county border; orange ZIPs reach into it.
9
ZIP codes
5
cross the county line
25,651
people in these ZIPs
64
counties in LA
Most people
LaSalle Parish ZIP list
More counties in Louisiana
- Grant Parish8
- Iberia Parish12
- Iberville Parish9
- Jackson Parish7
- Jefferson Davis Parish10
- Jefferson Parish30
- Lafayette Parish23
- Lafourche Parish16
- Lincoln Parish9
- Livingston Parish19
- Madison Parish5
- Morehouse Parish8
Questions people actually ask
How many ZIP codes are in LaSalle Parish, Louisiana?
9 ZIP codes reach into LaSalle Parish, including 1 PO Box or single-address ZIPs placed by the town they serve. 5 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in LaSalle Parish has the most people?
71342 (Jena) has about 7,735 residents, the most of any ZIP touching LaSalle Parish, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in LaSalle 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 LaSalle 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.
Keep exploring
Updated 2026-11-10 · Where the data comes from