County ZIP codes · Puerto Rico · FIPS 72001
Adjuntas Municipio, PR ZIP Codes
Adjuntas Municipio, Puerto Rico has 3 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones lie mainly in Adjuntas Municipio and 1 mainly in a neighboring county; 3 cross the county line. Median household income ranges from $18,736 in 00731 (Ponce) to $19,454 in 00601 (Adjuntas) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of Adjuntas Municipio?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
They carry 3 postal town names: Adjuntas, Ponce, Castaner.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 3 residential ZIP codes in Adjuntas Municipio
2 ZIP codes lie mainly in Adjuntas Municipio; 1 more reaches into it from a neighboring county and follows the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 00601 | Adjuntas | 16,669 | 259 | $20k | $94k | 99% |
| 00631 | Castaner | 1,321 | 423 | $19k | $100k | 51% |
Partly in Adjuntas Municipio
| In this county | ||||||
|---|---|---|---|---|---|---|
| 00731 | Ponce | 9,724 | 199 | $19k | $89k | 3% |
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?
3 ZIP codes of Adjuntas Municipio extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In Adjuntas | Elsewhere |
|---|---|---|
| 00601 | 99% | Utuado Municipio1% |
| 00731 | 3% | Ponce Municipio97% |
| 00631 | 51% | Lares Municipio49% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do Adjuntas Municipio's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Adjuntas Municipio's ZIP codes use 2 prefixes: 006 and 007.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.