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/CA/ALAMO

Alamo ZIP code, California

The ZIP code for Alamo, CA is 94507, and its area code is 925.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
14,488
Area code
925

NANPA lists no telephone rate centre for Alamo itself, so these are the area codes of the nearest one, Walnut Creek (2.9 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Alamo uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Alamo in numbers

About 14,488 people live in Alamo, in 5,070 households. The median household income is $250,000+ a year (US: $80,734). The median owner-occupied home is valued at $2,000,000+, and median gross rent is $3,500+ a month. The median age is 49.8; 77.5% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 29 minutes.

Population14,488Alamo14,488
Households5,070Alamo5,070
Median age49.8Alamo49.8California37.9US 38.9
Median household income$250,000+Alamo$250,000+California$99,122US $80,734
Median home value$2,000,000+Alamo$2,000,000+California$734,700US $332,700
Median gross rent$3,500+Alamo$3,500+California$2,036US $1,413
Bachelor's degree or higher77.5%Alamo77.5%California37.1%US 35.7%
Mean commute29.2 minAlamo29.2 minCalifornia28.7 minUS 26.4 min
Population density1,476 / sq miAlamo1,476 / sq mi

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

ZIP codes addressed as Alamo

ZIP codes with the USPS city name Alamo
ZIP City Type Population Median income Median home
94507 Alamo , CA Standard 14,586 $250,000+ $2,000,000+

Other ZIP codes overlapping Alamo

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

ZIP codes overlapping Alamo
ZIP City Type Population Median income Median home
94526 Danville , CA Standard 32,584 $225,097 $1,677,700

Map of Alamo ZIP codes

The ZIP codes of Alamo, CA, 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 Alamo

The nearest larger towns are Walnut Creek (70,088 people, 3.6 mi), Danville (43,401 people, 3.8 mi) and Moraga (16,769 people, 6.0 mi).

Towns near Alamo
TownPopulationDistance
San Miguel 3,967 2.5 mi
Walnut Creek 70,088 3.6 mi
Danville 43,401 3.8 mi
Saranap 5,662 4.1 mi
Contra Costa Centre 6,893 5.4 mi
Moraga 16,769 6.0 mi
Lafayette 25,285 6.3 mi
Blackhawk 10,137 6.3 mi
Clayton 10,937 7.5 mi
San Ramon 85,993 7.6 mi
Reliez Valley 3,173 7.6 mi
Pleasant Hill 34,235 7.7 mi
Concord 124,035 8.1 mi
Camino Tassajara 5,831 8.3 mi

More nearby: every ZIP code in Contra Costa County · California ZIP codes

Cite this page

zipcodes.pro. “Alamo, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/alamo

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