ZIP Code 93420 – Arroyo Grande, CA
Arroyo Grande, California · San Luis Obispo County · Pacific time
| ZIP code | 93420 |
|---|---|
| City | Arroyo Grande |
| State | California |
| County | San Luis Obispo County |
| Population | 31,345 |
| Time zone | Pacific · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 197.43 sq mi |
| Center (lat, long) | 35.1760, -120.4768 |
Area codes in this area
These are the area codes that most often serve ZIP 93420 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
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Nearby ZIP codes
About ZIP 93420
ZIP code 93420 is assigned to Arroyo Grande, California. It lies in San Luis Obispo County. Its Census area covers about 197.43 square miles of land. The closest neighboring ZIP is 93421 (Arroyo Grande), about 7.5 miles away.
Every address in 93420 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources