ZIP code 91788: Walnut, CA
91788 is a PO Box or single-organization ZIP code in Walnut, California, mainly in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metro area.
Loading map…
Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 91788 details
| City | Walnut |
|---|---|
| State | California |
| County | Los Angeles County |
| Metro area | Los Angeles-Long Beach-Anaheim, CA |
| Time zone | Pacific Time (UTC−8), observes daylight saving time |
| Type | PO Box / single organization |
| Center coordinates | 34.02030, -117.86530 |
ZIP codes near 91788
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 91789 | Walnut, CA | 0.6 mi | 40,298 |
| 91792 | West Covina, CA | 2.1 mi | 30,629 |
| 91791 | West Covina, CA | 3.2 mi | 33,028 |
| 91748 | Rowland Heights, CA | 3.6 mi | 42,463 |
| 91765 | Diamond Bar, CA | 3.9 mi | 44,502 |
| 91724 | Covina, CA | 4.1 mi | 28,352 |
| 91744 | La Puente, CA | 4.2 mi | 76,942 |
| 91723 | Covina, CA | 4.6 mi | 17,733 |
About ZIP code 91788
What city is ZIP code 91788?
ZIP code 91788 is in Walnut, CA, in Los Angeles County.
What county is ZIP code 91788 in?
91788 is mainly in Los Angeles County, California.
Why doesn't 91788 have a population?
91788 is a PO Box or single-organization ZIP code. It has a post office location but no residential delivery area, so the Census Bureau reports no population for it.
What time zone is ZIP code 91788 in?
91788 is in Pacific Time (UTC−8). It observes daylight saving time.
What other ZIP codes does Walnut have?
Walnut, CA also uses 91789.