Postal Codes for Castaic, California
The postal codes for Castaic, California, United States (2 codes, e.g. 91310). With map location and coordinates.
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The postal codes for Castaic, California, United States (2 codes):
| Postal code | Place | County / area | Coordinates |
|---|---|---|---|
| 91310 | Castaic | Los Angeles | 34.489, -118.623 |
| 91384 | Castaic | Los Angeles | 34.483, -118.625 |
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Frequently asked questions
What is the postal code of Castaic?
Castaic has 2 postal codes; the first is 91310. They are all listed above with their areas.
Why does Castaic 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.