ZIP Code 91789 Area Code

Walnut, California

Area Code

209, 213, 310, 415, 510, 619, 626, 650, 714, 818, 916, 949

Primary area codes for California (per-ZIP data not available)

Location

ZIP Code91789
CityWalnut
StateCalifornia (CA)
CountyLos Angeles

Frequently Asked Questions

ZIP code 91789 is in Walnut, California. The primary area codes for California are 209, 213, 310, 415, 510, 619, 626, 650, 714, 818, 916, 949.

ZIP code 91789 is in Walnut, California.

ZIP Code 91789

ZIP Code Overview Time Zone Population Demographics Map