ZIP Code 91023
Mount Wilson · Los Angeles, California
91023 is the ZIP code of Mount Wilson in Los Angeles, California, United States.
- ZIP Code
- 91023
- County
- Los Angeles
- State
- California
- Country
- United States
Place with ZIP code 91023
| Place | County | Location |
|---|---|---|
| Mount Wilson | Los Angeles | 34.226, -118.066 |
Near Los Angeles
The nearest major city is Los Angeles, about 25 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 91023?
Mount Wilson.
Which county and state is 91023 in?
Los Angeles, California, United States.
What is the nearest major city to 91023?
Los Angeles, about 25 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.