About ZIP code 91788
The ZIP code 91788 routes mail to Walnut in the California region of United States. Use it as the postal segment of any address in this area, and confirm unusual addresses with the local postal operator.
United States · ZIP code
91788 - Walnut
ZIP code 91788 is Walnut in California, United States.
| ZIP code | 91788 |
| Place | Walnut |
| Region | California |
| District | Los Angeles |
| Country | United States (US) |
| Coordinates | 34.0203, -117.8653 (map) |
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Frequently Asked Questions
ZIP code 91788 explained
Which city is ZIP code 91788 in?
ZIP code 91788 is Walnut in California, United States.
What are the coordinates of 91788?
The approximate centre of 91788 is at latitude 34.0203, longitude -117.8653.
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