County ZIP codes · Puerto Rico · FIPS 72061
Guaynabo Municipio, PR ZIP Codes
Guaynabo Municipio, Puerto Rico has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 8 residential and 1 for PO boxes or a single organization. 6 of the residential ones lie mainly in Guaynabo Municipio and 2 mainly in a neighboring county; 5 cross the county line. Median household income ranges from $19,136 in 00965 to $61,101 in 00969 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Guaynabo Municipio?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $21,288 and $58,869.
They carry 4 postal town names: Caguas, Guaynabo, Catano, Fort Buchanan.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 8 residential ZIP codes in Guaynabo Municipio
6 ZIP codes lie mainly in Guaynabo Municipio; 2 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 00969 | Guaynabo | 42,231 | 8,382 | $61k | $264k | 85% |
| 00971 | Guaynabo | 24,367 | 1,520 | $30k | $173k | 100% |
| 00966 | Guaynabo | 18,791 | 7,457 | $60k | $301k | 86% |
| 00965 | Guaynabo | 5,848 | 6,462 | $19k | $110k | 100% |
| 00968 | Guaynabo | 3,633 | 7,967 | $59k | $227k | 100% |
| 00934 | Fort Buchanan | 38 | 27 | – | – | 69% |
Partly in Guaynabo Municipio
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
5 ZIP codes of Guaynabo Municipio extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Guaynabo | Elsewhere |
|---|---|---|
| 00725 | 5% | Caguas Municipio87%; San Lorenzo Municipio3%; San Juan Municipio2%; Aguas Buenas Municipio2%; Trujillo Alto Municipio1% |
| 00969 | 85% | San Juan Municipio11%; Bayamón Municipio4% |
| 00962 | 14% | Cataño Municipio86% |
| 00966 | 86% | San Juan Municipio8%; Bayamón Municipio7% |
| 00934 | 69% | Bayamón Municipio31% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
PO Box and single-organization ZIP codes
| ZIP | Postal name |
|---|---|
| 00970 | Guaynabo |
Source: GeoNames postal codes (CC BY 4.0).
Which first three digits do Guaynabo Municipio's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Guaynabo Municipio's ZIP codes use 2 prefixes: 007 and 009.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.