ZIP Code 94128
San Francisco · San Mateo, California
94128 is the ZIP code of San Francisco in San Mateo, California, United States.
- ZIP Code
- 94128
- County
- San Mateo
- State
- California
- Country
- United States
Place with ZIP code 94128
| Place | County | Location |
|---|---|---|
| San Francisco | San Mateo | 37.622, -122.393 |
Near San Francisco
The nearest major city is San Francisco, about 17 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 94128?
San Francisco.
Which county and state is 94128 in?
San Mateo, California, United States.
What is the nearest major city to 94128?
San Francisco, about 17 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.