| Post Office Name | City/State | Address | Phone Number | Action |
|---|---|---|---|---|
| Castro Valley Post Office | Castro Valley, CA 94546 | 20283 Santa Maria Ave | 5105810159 | View Details Get Directions |
| Public Collection Box | Castro Valley, CA 94546 | 20980 Redwood Rd | -- | Get Directions |
| Public Collection Box | Castro Valley, CA 94546 | 21966 Dolores St | -- | Get Directions |
| Public Collection Box | Castro Valley, CA 94546 | 2688 Grove Way | -- | Get Directions |
| Public Collection Box | Castro Valley, CA 94546 | 3067 Castro Valley Blvd | -- | Get Directions |
| Public Collection Box | Castro Valley, CA 94546 | 3301 Norbridge Ave | -- | Get Directions |
| Public Collection Box | Castro Valley, CA 94546 | 3667 Castro Valley Blvd | -- | Get Directions |
| Public Collection Box | Castro Valley, CA 94552 | 4061 E Castro Valley Blvd | -- | Get Directions |
| Public Collection Box | Castro Valley, CA 94552 | 6811 Villareal Dr | -- | Get Directions |
