Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/TX/LOS-ALVAREZ

Los Alvarez ZIP codes, Texas

No ZIP code is named for Los Alvarez, TX; addresses there use a neighbouring town's name. The ZIP code covering it is 78582. Its area code is 956.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
245
Area code
956
State
Texas

NANPA lists no telephone rate centre for Los Alvarez itself, so these are the area codes of the nearest one, Rio Grande City (0.0 miles). A town on an area-code boundary can differ from its neighbour.

Los Alvarez in numbers

About 245 people live in Los Alvarez, in 116 households. The median household income is $10,929 a year, 86% below the Texas median of $78,476 (US: $80,734). The median age is 48.4; 0.0% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas).

Population245Los Alvarez245
Households116Los Alvarez116
Median age48.4Los Alvarez48.4Texas35.6US 38.9
Median household income$10,929Los Alvarez$10,929Texas$78,476US $80,734
Bachelor's degree or higher0.0%Los Alvarez0.0%Texas33.8%US 35.7%
Population density2,606 / sq miLos Alvarez2,606 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Los Alvarez CDP. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes covering Los Alvarez

These ZIP codes cover part of Los Alvarez but are addressed as somewhere else.

ZIP codes overlapping Los Alvarez
ZIP City Type Population Median income Median home
78582 Rio Grande City , TX Standard 44,741 $42,626 $102,800

Map of Los Alvarez ZIP codes

78582

The ZIP codes of Los Alvarez, TX, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Los Alvarez

The nearest larger towns are Palo Blanco (321 people, 0.2 mi), Flor del Rio (326 people, 1.1 mi) and Mi Ranchito Estate (1,091 people, 1.6 mi).

Towns near Los Alvarez
TownPopulationDistance
Escobares 2,573 4.2 mi
Rio Grande City 15,396 4.8 mi
Roma 11,545 6.8 mi
Sullivan City 3,902 22.1 mi
La Joya 4,763 27.6 mi
Salida del Sol Estates 7,766 28.3 mi
Penitas 6,444 29.8 mi

More nearby: every ZIP code in Starr County · Texas ZIP codes

Cite this page

zipcodes.pro. “Los Alvarez, TX ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/tx/los-alvarez

Underlying data is public domain or openly licensed — sources, vintages and licences.