Oroville, California

2 ZIP codes · Pacific time

ZIP codes (largest first)

95966 · 28,50395965 · 21,181
Population19,752
StateCalifornia
CountyButte County
Time zonePacific
Land area13.9 sq mi

Area codes in this area

530837

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

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