Fremont, California

5 ZIP codes · Pacific time

ZIP codes (largest first)

94536 · 70,61994538 · 67,78194539 · 52,39694555 · 37,50194537 (PO box)
Population228,295
StateCalifornia
CountyAlameda County
Time zonePacific
Land area78.1 sq mi

Area codes in this area

341510650925

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

Find the ZIP+4 for an address in Fremont

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Population: U.S. Census Bureau, ACS 5-year estimates, 2024.