91729 ZIP Code — Rancho Cucamonga, CA
San Bernardino County, California
ZIP code 91729 is located in Rancho Cucamonga, California, within San Bernardino County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 909/951.
0
population
0.00
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
91729 ZIP code map
Cities in ZIP code 91729
Below are the cities the US Postal Service accepts for ZIP code 91729. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Rancho Cucamonga | Acceptable |
Demographics
updated 06/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 06 |
| County FIPS | 071 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 34.1065 |
| Longitude | -117.5922 |
| Timezone | Pacific (PT) |
| Area code | 909/951 |