Livermore, California

2 ZIP codes · Pacific time

ZIP codes (largest first)

94550 · 49,87394551 · 37,885
Population85,522
StateCalifornia
CountyAlameda County
Time zonePacific
Land area26.57 sq mi

Area codes in this area

341510925

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

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

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