ZIP codes in Ciales Municipio
2 ZIPs touch Ciales Municipio, Puerto Rico. The blue dashed line is the county border; orange ZIPs reach into it.
2
ZIP codes
2
cross the county line
30,519
people in these ZIPs
78
counties in PR
Most people
Ciales Municipio ZIP list
More counties in Puerto Rico
- Camuy Municipio1
- Canóvanas Municipio3
- Carolina Municipio7
- Cataño Municipio3
- Cayey Municipio3
- Ceiba Municipio3
- Cidra Municipio3
- Coamo Municipio4
- Comerío Municipio3
- Corozal Municipio3
- Culebra Municipio1
- Dorado Municipio2
Questions people actually ask
How many ZIP codes are in Ciales Municipio, Puerto Rico?
2 ZIP codes reach into Ciales Municipio. 2 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Ciales Municipio has the most people?
00638 (Frontón) has about 17,319 residents, the most of any ZIP touching Ciales Municipio, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Ciales 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 Ciales 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