ZIP Code 91730 – Rancho Cucamonga, California | ZipsCode.us
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ZIP Code 91730
Rancho Cucamonga, California · San Bernardino
ZIP code 91730 belongs to the city of Rancho Cucamonga in California (San Bernardino). See all California ZIP Codes.
ZIP code 91730 belongs to Rancho Cucamonga, California, in San Bernardino. If you are mailing a letter or package to this area, use Rancho Cucamonga, CA 91730 in the address. On this page you will find the city and county for 91730, nearby ZIP codes in the same county, and free tools to look up any address in this ZIP code.
What City Is ZIP Code 91730?
The city for ZIP code 91730 is Rancho Cucamonga, California. When you write an address in this area, the correct format is: Name, Street Address, Rancho Cucamonga, CA 91730.
ZIP Code 91730 County and State
ZIP code 91730 is located in San Bernardino, California. For a complete list of cities and ZIP codes across the state, see the California ZIP Codes page.
Nearby ZIP Codes in San Bernardino
These ZIP codes are in the same county as 91730:
ZIP Code 91730 on the Map
The map below shows the approximate center of ZIP code 91730, near Rancho Cucamonga, California. You can zoom in and drag the map to explore the area.
Map center is approximate (ZIP area center, around 34.107, -117.5941). Map data © OpenStreetMap.
Population and Demographics of ZIP Code 91730
According to public U.S. Census Bureau data, ZIP code 91730 is home to a community in California. The figures below come from the U.S. Census and the American Community Survey (ACS).
Source: U.S. Census Bureau, American Community Survey (ACS) 2023 5-year estimates and 2023 Gazetteer. Figures are estimates and change with each new survey.
Find an Address in ZIP Code 91730
Need the full ZIP+4 code for a specific street address in Rancho Cucamonga? Use the free ZIP+4 Lookup tool, or find any ZIP code from a street address with the ZIP Code by Address tool.
Frequently Asked Questions
What city is ZIP code 91730?
ZIP code 91730 is for Rancho Cucamonga, California.
What county is ZIP code 91730 in?
ZIP code 91730 is in San Bernardino, California.
What state is ZIP code 91730 in?
ZIP code 91730 is in California (CA).
How do I find the ZIP+4 for an address in 91730?
Use the free ZIP+4 Lookup tool with the full street address to get the complete 9-digit ZIP code.
What are the nearby ZIP codes to 91730?
Nearby ZIP codes include 91701 (Rancho Cucamonga), 91708 (Chino), 91709 (Chino Hills), 91710 (Chino), 91729 (Rancho Cucamonga).
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