Find the last 4 digits (ZIP+4) for an address in 94538

ZIP 94538, Fremont, CA is filled in. Just type the street address.

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ZIP Code 94538 – Fremont, CA

Fremont, California · Alameda County · Pacific time

ZIP code94538
CityFremont
StateCalifornia
CountyAlameda County
Population67,781
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area16.54 sq mi
Center (lat, long)37.5014, -121.9568

Area codes in this area

510341

These are the area codes that most often serve ZIP 94538 (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

94539 Fremont · 2.7 mi94560 Newark · 4.1 mi94536 Fremont · 5 mi95134 San Jose · 5 mi95002 Alviso · 5.3 mi95036 Milpitas · 6 mi95035 Milpitas · 6.2 mi94089 Sunnyvale · 6.9 mi

About ZIP 94538

ZIP code 94538 is assigned to Fremont, California. It lies in Alameda County. Its Census area covers about 16.54 square miles of land. The closest neighboring ZIP is 94539 (Fremont), about 2.7 miles away.

Every address in 94538 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