Arroyo Grande, California

2 ZIP codes · Pacific time

ZIP codes (largest first)

93420 · 31,34593421 (PO box)
Population18,372
StateCalifornia
CountySan Luis Obispo County
Time zonePacific
Land area5.94 sq mi

Area codes in this area

805820

These are the area codes that most often serve Arroyo Grande (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 Arroyo Grande

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