ZIP Code 91903
Alpine · San Diego, California
91903 is the ZIP code of Alpine in San Diego, California, United States.
- ZIP Code
- 91903
- County
- San Diego
- State
- California
- Country
- United States
Place with ZIP code 91903
| Place | County | Location |
|---|---|---|
| Alpine | San Diego | 32.835, -116.766 |
Near San Diego
The nearest major city is San Diego, about 40 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 91903?
Alpine.
Which county and state is 91903 in?
San Diego, California, United States.
What is the nearest major city to 91903?
San Diego, about 40 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.