| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (510) 666-90** | (510) 666-9000 - (510) 666-9098 | 48 |
| (510) 666-91** | (510) 666-9101 - (510) 666-9188 | 31 |
| (510) 666-92** | (510) 666-9201 - (510) 666-9299 | 50 |
| (510) 666-93** | (510) 666-9310 - (510) 666-9396 | 28 |
| (510) 666-94** | (510) 666-9407 - (510) 666-9497 | 42 |
| (510) 666-95** | (510) 666-9500 - (510) 666-9594 | 30 |
| (510) 666-96** | (510) 666-9600 - (510) 666-9696 | 41 |
| (510) 666-97** | (510) 666-9711 - (510) 666-9799 | 32 |
| (510) 666-98** | (510) 666-9800 - (510) 666-9898 | 29 |
| (510) 666-99** | (510) 666-9900 - (510) 666-9999 | 57 |
US Phone Directory: (510) 666-9***
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