ZIP codes in Las Piedras Municipio
3 ZIPs touch Las Piedras Municipio, Puerto Rico. The blue dashed line is the county border; orange ZIPs reach into it.
3
ZIP codes
3
cross the county line
117,995
people in these ZIPs
78
counties in PR
Most people
Las Piedras Municipio ZIP list
More counties in Puerto Rico
- Jayuya Municipio1
- Juana Díaz Municipio3
- Juncos Municipio1
- Lajas Municipio3
- Lares Municipio2
- Las Marías Municipio3
- Loíza Municipio2
- Luquillo Municipio1
- Manatí Municipio4
- Maricao Municipio2
- Maunabo Municipio2
- Mayagüez Municipio3
Questions people actually ask
How many ZIP codes are in Las Piedras Municipio, Puerto Rico?
3 ZIP codes reach into Las Piedras Municipio. 3 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Las Piedras Municipio has the most people?
00791 (Humacao) has about 45,455 residents, the most of any ZIP touching Las Piedras Municipio, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Las Piedras Municipio 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 Las Piedras Municipio. 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