Stevenson Ranch, California

1 ZIP code · Pacific time

ZIP codes (largest first)

91381 · 22,582
Population20,990
StateCalifornia
CountyLos Angeles County
Time zonePacific
Land area6.38 sq mi

Area codes in this area

661

These are the area codes that most often serve Stevenson Ranch (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 Stevenson Ranch

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