charger Castro Valley, California ZIP Codes
Castro Valley, California includes multiple ZIP Codes covering various neighborhoods and districts. Use this page to find ZIP Code ranges, postal information, and local area insights for Castro Valley.
| ZIP Code | Type | City | County | County Code |
|---|---|---|---|---|
| 94546 | Standard | Castro Valley | Alameda | 6001 |
| 94552 | Standard | Castro Valley | Alameda | 6001 |
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