Find the last 4 digits (ZIP+4) for an address in 94517

ZIP 94517, Clayton, CA is filled in. Just type the street address.

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ZIP Code 94517 – Clayton, CA

Clayton, California · Contra Costa County · Pacific time

ZIP code94517
CityClayton
StateCalifornia
CountyContra Costa County
Population12,316
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area47.73 sq mi
Center (lat, long)37.8911, -121.8931

Area codes in this area

925

These are the area codes that most often serve ZIP 94517 (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 · 4.9 mi94527 Concord · 5.6 mi94506 Danville · 5.9 mi94521 Concord · 6 mi94507 Alamo · 6.7 mi94598 Walnut Creek · 6.9 mi94588 Pleasanton · 7 mi94526 Danville · 7.2 mi

About ZIP 94517

ZIP code 94517 is assigned to Clayton, California. It lies in Contra Costa County. Its Census area covers about 47.73 square miles of land. The closest neighboring ZIP is 94528 (Diablo), about 4.9 miles away.

Every address in 94517 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