Updated: 08-07-2025
Mount Wilson (CA) zip Code is 91023, Postal Code details. Mount Wilson is located in state CA, United States.
ZIP code 91023 is located in Mount Wilson CA in the United States.
Postal Code United States Zip Code 91023 Latest update Mount Wilson, CA |
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| Zip Code / Postal Code | 91023 | |||
City |
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State Code |
CA |
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County |
Los Angeles, United States |
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Postal Locations |
Mount Wilson, CA - Zip Code is - 91023 |
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Postal |
United States Postal Service USPS Link |
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Delivery Type |
Package Delivery and first class mail. |
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The zip code 91023 is an essential part of the postal system in Mount Wilson, CA. Located in a vibrant part of the city, this zip code covers a variety of neighborhoods, offering residents and businesses a unique blend of suburban comfort and urban convenience. Whether you're looking to send mail, relocate, or simply learn more about the area, Mount Wilson has a lot to offer.