Mount Wilson zip code
Zip code in Mount Wilson, CA
The location Mount Wilson belongs to Los Angeles County, state of California. Mount Wilson has been assigned with the zip code 91023.
Mount Wilson is the official name of the location so if you want to use the US Postal Service you must use that name.
| Zip code | Type | Population |
|---|---|---|
| 91023 | PO BOX | 0 |
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