County ZIP codes · Puerto Rico · FIPS 72057

Guayama Municipio, PR ZIP Codes

Guayama 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 Guayama Municipio and 1 mainly in a neighboring county; 2 cross the county line. Median household income ranges from $20,558 in 00784 (Guayama) to $20,899 in 00704 (Aguirre) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Where are the ZIP codes of Guayama Municipio?

The residential ZIP codes of Guayama 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?

00784 · $21k 00704 · $21k

They carry 2 postal town names: Guayama, Aguirre.

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

All 2 residential ZIP codes in Guayama Municipio

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

Residential ZIP codes mainly in Guayama Municipio, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
00784	Guayama	34,981	524	$21k	$109k	97%

Partly in Guayama Municipio

Residential ZIP codes mainly in another county that reach at least 1% into Guayama Municipio, by their share here
						In this county
00704	Aguirre	6,256	695	$21k	$91k	3%

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 Guayama Municipio extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Guayama Municipio and in the neighboring counties
ZIP	In Guayama	Elsewhere
00784	97%	Cayey Municipio 2%; Patillas Municipio 1%
00704	3%	Salinas Municipio 97%

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

Which first three digits do Guayama 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 Guayama Municipio starts with 007.

Three-digit prefixes of Guayama 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 Guayama Municipio's
Prefix	Sectional center	Here	All codes
007	San Juan, PR (SCF 006)	2	56

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