San Leandro, California

3 ZIP codes · Pacific time

ZIP codes (largest first)

94577 · 46,31794578 · 41,76994579 · 20,017
Population87,826
StateCalifornia
CountyAlameda County
Time zonePacific
Land area13.32 sq mi

Area codes in this area

341510

These are the area codes that most often serve San Leandro (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 San Leandro

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