Fullerton, California

8 ZIP codes · Pacific time

ZIP codes (largest first)

92833 · 51,84292831 · 35,61892832 · 27,29892835 · 26,00592834 (PO box)92836 (PO box)92837 (PO box)92838 (PO box)
Population140,968
StateCalifornia
CountyOrange County
Time zonePacific
Land area22.42 sq mi

Area codes in this area

657714

These are the area codes that most often serve Fullerton (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 Fullerton

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