Find the last 4 digits (ZIP+4) for an address in 94553

ZIP 94553, Martinez, CA is filled in. Just type the street address.

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ZIP Code 94553 – Martinez, CA

Martinez, California · Contra Costa County · Pacific time

ZIP code94553
CityMartinez
StateCalifornia
CountyContra Costa County
Population48,643
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area61.63 sq mi
Center (lat, long)37.9783, -122.1571

Area codes in this area

925

These are the area codes that most often serve ZIP 94553 (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

94523 Pleasant Hill · 4.7 mi94569 Port Costa · 4.9 mi94572 Rodeo · 5.2 mi94549 Lafayette · 5.7 mi94547 Hercules · 5.8 mi94525 Crockett · 6.2 mi94597 Walnut Creek · 6.2 mi94564 Pinole · 6.3 mi

About ZIP 94553

ZIP code 94553 is assigned to Martinez, California. It lies in Contra Costa County. Its Census area covers about 61.63 square miles of land. The closest neighboring ZIP is 94523 (Pleasant Hill), about 4.7 miles away.

Every address in 94553 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