Zip code 93423: Atascadero, California
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 93423
93423 is a non-residential zip code for Atascadero, California (San Luis Obispo County). It has no delivery area of its own, so the Census Bureau doesn't publish population or housing figures for it. Codes like this are usually assigned to post office boxes, or to a single organization such as a university, hospital, government agency or large company that gets enough mail to need its own zip code.
For a picture of the people who live around 93423, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Atascadero
- State
- California
- County
- San Luis Obispo County
- Center point
- 35.4282° N, 120.7695° W
- Time zone
- Pacific Time (UTC-8, UTC-7 in summer)
- Zip type
- PO box or unique zip
Zip codes near 93423
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 93442 | Morro Bay, CA | 2.5 mi | $95,623 |
| 93422 | Atascadero, CA | 5.2 mi | $91,780 |
| 93443 | Morro Bay, CA · PO box | 6.3 mi | — |
| 93408 | San Luis Obispo, CA | 7.9 mi | — |
| 93465 | Templeton, CA | 8.2 mi | $129,259 |
| 93409 | San Luis Obispo, CA | 8.3 mi | — |
| 93412 | Los Osos, CA · PO box | 8.8 mi | — |
| 93405 | San Luis Obispo, CA | 9 mi | $60,399 |
| 93402 | Los Osos, CA | 9.9 mi | $109,090 |
| 93407 | San Luis Obispo, CA | 10 mi | — |
| 93410 | San Luis Obispo, CA | 11 mi | — |
| 93430 | Cayucos, CA | 11 mi | $89,519 |
Questions about 93423
What city is zip code 93423?
93423 is assigned to Atascadero, California. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 93423 in?
93423 is in San Luis Obispo County, California.
What time zone is 93423 in?
93423 is in Pacific Time.
What zip codes are near 93423?
The closest zip codes to 93423 are 93442, 93422, 93443, 93408, 93465.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 93423, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.