ZIP Code 91730
Rancho Cucamonga · San Bernardino, California
91730 is the ZIP code of Rancho Cucamonga in San Bernardino, California, United States.
- ZIP Code
- 91730
- County
- San Bernardino
- State
- California
- Country
- United States
Place with ZIP code 91730
| Place | County | Location |
|---|---|---|
| Rancho Cucamonga | San Bernardino | 34.107, -117.594 |
Near Los Angeles
The nearest major city is Los Angeles, about 60 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 91730?
Rancho Cucamonga.
Which county and state is 91730 in?
San Bernardino, California, United States.
What is the nearest major city to 91730?
Los Angeles, about 60 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.