| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (510) 484-50** | (510) 484-5023 - (510) 484-5099 | 10 |
| (510) 484-51** | (510) 484-5124 - (510) 484-5196 | 9 |
| (510) 484-52** | (510) 484-5200 - (510) 484-5278 | 12 |
| (510) 484-53** | (510) 484-5303 - (510) 484-5399 | 15 |
| (510) 484-54** | (510) 484-5401 - (510) 484-5491 | 13 |
| (510) 484-55** | (510) 484-5525 - (510) 484-5562 | 4 |
| (510) 484-56** | (510) 484-5604 - (510) 484-5697 | 12 |
| (510) 484-57** | (510) 484-5722 - (510) 484-5783 | 9 |
| (510) 484-58** | (510) 484-5851 - (510) 484-5899 | 5 |
| (510) 484-59** | (510) 484-5921 - (510) 484-5986 | 6 |
US Phone Directory: (510) 484-5***
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