What County Is 91789 In?

ZIP 91789 is located in

Los Angeles County

Diamond Bar, California (CA)

34.02°N, 117.85°W · FIPS 06037

Los Angeles County — ZIP 91789

ZIP 91789 highlighted in Los Angeles County, California. Click neighboring ZIPs to explore.

ZIP Code Details

ZIP Code91789
CountyLos Angeles County
CityDiamond Bar
StateCalifornia (CA)
FIPS Code06037

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Nearby ZIP Codes

91786 Upland, CA San Bernardino County 91788 , CA Los Angeles County 91790 West Covina, CA Los Angeles County 91791 West Covina, CA Los Angeles County 91792 West Covina, CA Los Angeles County

Frequently Asked Questions

What county is ZIP code 91789 in?

ZIP code 91789 is located in Los Angeles County, California (CA).

What city is ZIP code 91789 in?

ZIP code 91789 is primarily associated with Diamond Bar, California.

What state is ZIP code 91789 in?

ZIP code 91789 is in the state of California (CA).