Walnut, CA

ZIP code 91788 is located in Walnut, California. This area is known for its close proximity to landmarks such as Mt. San Antonio College and Suzanne Park. With a bustling community and plenty of nearby shopping and dining options, residents of 91788 can enjoy a blend of urban conveniences and natural beauty.

ZIP code 91788

Walnut, CA

United States

US > CA > Los Angeles County > 91788

Daylight Saving: Yes
Time Zone: Pacific
Area Code: 909
This ZIP code is type "PO Boxes" (consists entirely of PO boxes).

Get latitude & longitude

Download this data for all ZIP codes



Walnut	-	Preferred

Calculate distance

ZIP code 91788 is how far from:

Find nearby ZIPs

Show ZIP codes within of 91788: