County ZIP codes · Puerto Rico · FIPS 72081

Lares Municipio, PR ZIP Codes

Lares Municipio, Puerto Rico has 2 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 1 of the residential ones lie mainly in Lares Municipio and 1 mainly in a neighboring county; 2 cross the county line. Median household income ranges from $18,778 in 00669 (Lares) to $19,278 in 00631 (Castaner) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Where are the ZIP codes of Lares Municipio?

The residential ZIP codes of Lares Municipio (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

00669 · $19k 00631 · $19k

They carry 2 postal town names: Lares, Castaner.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 2 residential ZIP codes in Lares Municipio

1 ZIP code lies mainly in Lares Municipio; 1 more reaches into it from a neighboring county and follows the first table.

Residential ZIP codes mainly in Lares Municipio, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
00669	Lares	27,417	428	$19k	$105k	93%

Partly in Lares Municipio

Residential ZIP codes mainly in another county that reach at least 1% into Lares Municipio, by their share here
						In this county
00631	Castaner	1,321	423	$19k	$100k	49%

Download the 2 ZIP codes as CSV

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?

2 ZIP codes of Lares Municipio extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Lares Municipio and in the neighboring counties
ZIP	In Lares	Elsewhere
00669	93%	Utuado Municipio 4%; Las Marías Municipio 3%
00631	49%	Adjuntas Municipio 51%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Lares Municipio's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Lares Municipio starts with 006.

Three-digit prefixes of Lares Municipio's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Lares Municipio's
Prefix	Sectional center	Here	All codes
006	San Juan, PR (SCF 006)	2	51

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.