Postal Codes for Walnut, California
The postal codes for Walnut, California, United States (2 codes, e.g. 91788). With map location and coordinates.
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The postal codes for Walnut, California, United States (2 codes):
| Postal code | Place | County / area | Coordinates |
|---|---|---|---|
| 91788 | Walnut | Los Angeles | 34.02, -117.865 |
| 91789 | Walnut | Los Angeles | 34.018, -117.855 |
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Frequently asked questions
What is the postal code of Walnut?
Walnut has 2 postal codes; the first is 91788. They are all listed above with their areas.
Why does Walnut have more than one postal code?
Larger towns and cities are split into several postal-code areas, each serving a different neighbourhood, PO-box range or large organisation.