| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (423) 478-10** | (423) 478-1000 - (423) 478-1099 | 75 |
| (423) 478-11** | (423) 478-1100 - (423) 478-1199 | 77 |
| (423) 478-12** | (423) 478-1200 - (423) 478-1299 | 76 |
| (423) 478-13** | (423) 478-1300 - (423) 478-1398 | 82 |
| (423) 478-14** | (423) 478-1400 - (423) 478-1499 | 85 |
| (423) 478-15** | (423) 478-1500 - (423) 478-1599 | 82 |
| (423) 478-16** | (423) 478-1600 - (423) 478-1698 | 78 |
| (423) 478-17** | (423) 478-1700 - (423) 478-1799 | 81 |
| (423) 478-18** | (423) 478-1801 - (423) 478-1899 | 80 |
| (423) 478-19** | (423) 478-1901 - (423) 478-1999 | 85 |
US Phone Directory: (423) 478-1***
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