ZIP codes in Guaynabo Municipio
10 ZIPs touch Guaynabo Municipio, Puerto Rico. The blue dashed line is the county border; orange ZIPs reach into it.
10
ZIP codes
7
cross the county line
325,861
people in these ZIPs
78
counties in PR
Most people
Guaynabo Municipio ZIP list
More counties in Puerto Rico
- Culebra Municipio1
- Dorado Municipio2
- Fajardo Municipio2
- Florida Municipio2
- Guayama Municipio2
- Guayanilla Municipio2
- Gurabo Municipio3
- Guánica Municipio2
- Hatillo Municipio2
- Hormigueros Municipio2
- Humacao Municipio4
- Isabela Municipio3
Questions people actually ask
How many ZIP codes are in Guaynabo Municipio, Puerto Rico?
10 ZIP codes reach into Guaynabo Municipio. 7 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Guaynabo Municipio has the most people?
00926 (San Juan) has about 92,284 residents, the most of any ZIP touching Guaynabo Municipio, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Guaynabo 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 Guaynabo 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