Updated: 05-02-2025
Castro Valley (CA) zip Code is 94546, Postal Code details. Castro Valley is located in state CA, United States.
ZIP code 94546 is located in Castro Valley CA in the United States.
Postal Code United States Zip Code 94546 Latest update Castro Valley, CA |
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| Zip Code / Postal Code | 94546 | |||
City |
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State Code |
CA |
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County |
Alameda, United States |
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Postal Locations |
Castro Valley, CA - Zip Code is - 94546 |
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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 94546 is an essential part of the postal system in Castro Valley, 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, Castro Valley has a lot to offer.