County ZIP codes · Puerto Rico · FIPS 72031

Carolina Municipio, PR ZIP Codes

Carolina Municipio, Puerto Rico has 10 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 7 residential and 3 for PO boxes or a single organization. 5 of the residential ones lie mainly in Carolina Municipio and 2 mainly in a neighboring county; 2 cross the county line. Median household income ranges from $25,724 in 00924 (San Juan) to $43,159 in 00987 (Carolina) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Where are the ZIP codes of Carolina Municipio?

The residential ZIP codes of Carolina 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?

00924 · $26k 00987 · $43k

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $28,906 and $39,901.

They carry 3 postal town names: Trujillo Alto, Carolina, San Juan.

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

All 7 residential ZIP codes in Carolina Municipio

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

Residential ZIP codes mainly in Carolina Municipio, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
00987	Carolina	55,747	2,150	$43k	$159k	100%
00983	Carolina	31,472	7,283	$36k	$160k	100%
00985	Carolina	30,497	3,302	$34k	$149k	100%
00979	Carolina	14,776	3,799	$40k	$190k	100%
00982	Carolina	14,050	9,710	$29k	$143k	100%

Partly in Carolina Municipio

Residential ZIP codes mainly in another county that reach at least 1% into Carolina Municipio, by their share here
						In this county
00924	San Juan	49,922	10,715	$26k	$142k	4%
00976	Trujillo Alto	60,620	3,477	$40k	$163k	2%

Download the 10 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 Carolina Municipio extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Carolina Municipio and in the neighboring counties
ZIP	In Carolina	Elsewhere
00976	2%	Trujillo Alto Municipio 95%; San Juan Municipio 2%
00924	4%	San Juan Municipio 97%

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

PO Box and single-organization ZIP codes

ZIP codes in Carolina Municipio without a residential area (GeoNames postal codes)
ZIP	Postal name
00984	Carolina
00986	Carolina
00988	Carolina

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Carolina 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 Carolina Municipio starts with 009.

Three-digit prefixes of Carolina 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 Carolina Municipio's
Prefix	Sectional center	Here	All codes
009	San Juan, PR (SCF 006)	10	70

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