County ZIP codes · Puerto Rico · FIPS 72079

Lajas Municipio, PR ZIP Codes

Lajas Municipio, Puerto Rico has 3 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 1 of the residential ones lie mainly in Lajas Municipio and 2 mainly in a neighboring county; 3 cross the county line. Median household income ranges from $19,534 in 00667 (Lajas) to $21,987 in 00637 (Sabana Grande) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Where are the ZIP codes of Lajas Municipio?

The residential ZIP codes of Lajas 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?

00667 · $20k 00637 · $22k

They carry 3 postal town names: Sabana Grande, Lajas, Ensenada.

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

All 3 residential ZIP codes in Lajas Municipio

1 ZIP code lies mainly in Lajas Municipio; 2 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Lajas Municipio, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
00667	Lajas	22,792	379	$20k	$108k	98%

Partly in Lajas Municipio

Residential ZIP codes mainly in another county that reach at least 1% into Lajas Municipio, by their share here
						In this county
00647	Ensenada	4,369	276	$20k	$90k	2%
00637	Sabana Grande	22,909	651	$22k	$100k	2%

Download the 3 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?

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

Share of each ZIP code's land in Lajas Municipio and in the neighboring counties
ZIP	In Lajas	Elsewhere
00637	2%	Sabana Grande Municipio 94%; San Germán Municipio 4%
00667	98%	San Germán Municipio 2%
00647	2%	Guánica Municipio 98%

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

Which first three digits do Lajas 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 Lajas Municipio starts with 006.

Three-digit prefixes of Lajas 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 Lajas Municipio's
Prefix	Sectional center	Here	All codes
006	San Juan, PR (SCF 006)	3	51

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