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County ZIP codes · Puerto Rico · FIPS 72125

San Germán Municipio, PR ZIP Codes

San Germán Municipio, Puerto Rico has 5 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 2 of the residential ones lie mainly in San Germán Municipio and 3 mainly in a neighboring county; 3 cross the county line. Median household income ranges from $17,896 in 00680 (Mayaguez) to $21,987 in 00637 (Sabana Grande) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of San Germán Municipio?

00636 · Rosario: –00637 · Sabana Grande: $22k00667 · Lajas: $20k00680 · Mayaguez: $18k00683 · San German: $19k0068000667006830063700636 · Rosario: –00637 · Sabana Grande: $22k00667 · Lajas: $20k00680 · Mayaguez: $18k00683 · San German: $19k0068000667006830063700636 · Rosario: –00637 · Sabana Grande: $22k00667 · Lajas: $20k00680 · Mayaguez: $18k00683 · San German: $19k0068000667
The residential ZIP codes of San Germán 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?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $17,896 and $19,534.

They carry 5 postal town names: Mayaguez, San German, Sabana Grande, Lajas, Rosario.

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

All 5 residential ZIP codes in San Germán Municipio

2 ZIP codes lie mainly in San Germán Municipio; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in San Germán Municipio, largest first; "In this county" is the share of the ZIP's land in the county
In this county
00683 San German 29,490 598 $19k $112k 100%
00636 Rosario 968 2,638 – $129k 100%

Partly in San Germán Municipio

Residential ZIP codes mainly in another county that reach at least 1% into San Germán Municipio, by their share here
In this county
00637 Sabana Grande 22,909 651 $22k $100k 4%
00680 Mayaguez 42,689 664 $18k $107k 3%
00667 Lajas 22,792 379 $20k $108k 2%

Download the 5 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 San Germán Municipio extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in San Germán Municipio and in the neighboring counties
ZIPIn San GermánElsewhere
006803%Mayagüez Municipio94%; Añasco Municipio2%
006374%Sabana Grande Municipio94%; Lajas Municipio2%
006672%Lajas Municipio98%

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

Which first three digits do San Germán 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 San Germán Municipio starts with 006.

Three-digit prefixes of San Germán 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 San Germán Municipio's
PrefixSectional centerHereAll codes
006San Juan, PR (SCF 006)551

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