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-ALTOS

Los Altos ZIP codes, Texas

No ZIP code is named for Los Altos, TX; addresses there use a neighbouring town's name. The ZIP code covering it is 78043. Its area code is 956.

USPS city name
0 ZIP codes
Overlapping the city
1 more
Population
1,082
Area code
956
State
Texas

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

Los Altos in numbers

About 1,082 people live in Los Altos, in 256 households. The median household income is $22,177 a year, 72% below the Texas median of $78,476 (US: $80,734). The median age is 37.6; 0.0% of adults 25 and over hold a bachelor's degree or higher (33.8% across Texas).

Population1,082Los Altos1,082
Households256Los Altos256
Median age37.6Los Altos37.6Texas35.6US 38.9
Median household income$22,177Los Altos$22,177Texas$78,476US $80,734
Bachelor's degree or higher0.0%Los Altos0.0%Texas33.8%US 35.7%
Population density28,474 / sq miLos Altos28,474 / sq mi

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

ZIP codes covering Los Altos

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

ZIP codes overlapping Los Altos
ZIP City Type Population Median income Median home
78043 Laredo , TX Standard 45,760 $54,396 $170,600

Map of Los Altos ZIP codes

The ZIP codes of Los Altos, 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 Altos

The nearest larger towns are Laredo (257,619 people, 8.0 mi), Rio Bravo (4,491 people, 11 mi) and El Cenizo (2,122 people, 13 mi).

Towns near Los Altos
TownPopulationDistance
Laredo 257,619 8.0 mi
Rio Bravo 4,491 10.6 mi

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

Cite this page

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

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