ZIP Code 92078
San Marcos · San Diego, California
92078 is the ZIP code of San Marcos in San Diego, California, United States.
- ZIP Code
- 92078
- County
- San Diego
- State
- California
- Country
- United States
Place with ZIP code 92078
| Place | County | Location |
|---|---|---|
| San Marcos | San Diego | 33.119, -117.185 |
Near San Diego
The nearest major city is San Diego, about 45 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 92078?
San Marcos.
Which county and state is 92078 in?
San Diego, California, United States.
What is the nearest major city to 92078?
San Diego, about 45 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.