Find the last 4 digits (ZIP+4) for an address in 94507

ZIP 94507, Alamo, CA is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 94507 – Alamo, CA

Alamo, California · Contra Costa County · Pacific time

ZIP code94507
CityAlamo
StateCalifornia
CountyContra Costa County
Population14,586
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area11.2 sq mi
Center (lat, long)37.8543, -122.0066

Area codes in this area

925

These are the area codes that most often serve ZIP 94507 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

94528 Diablo · 2.8 mi94596 Walnut Creek · 2.9 mi94526 Danville · 3 mi94595 Walnut Creek · 3.6 mi94598 Walnut Creek · 4.3 mi94556 Moraga · 5.6 mi94597 Walnut Creek · 5.6 mi94575 Moraga · 5.7 mi

About ZIP 94507

ZIP code 94507 is assigned to Alamo, California. It lies in Contra Costa County. Its Census area covers about 11.2 square miles of land. The closest neighboring ZIP is 94528 (Diablo), about 2.8 miles away.

Every address in 94507 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources