93421 ZIP Code — Arroyo Grande, CA
San Luis Obispo County, California
ZIP code 93421 is located in Arroyo Grande, California, within San Luis Obispo County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 805.
0
population
0.00
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
93421 ZIP code map
Cities in ZIP code 93421
Below are the cities the US Postal Service accepts for ZIP code 93421. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Arroyo Grande | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 06 |
| County FIPS | 079 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 35.1188 |
| Longitude | -120.5899 |
| Timezone | Pacific (PT) |
| Area code | 805 |