| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (423) 309-50** | (423) 309-5009 - (423) 309-5096 | 17 |
| (423) 309-51** | (423) 309-5100 - (423) 309-5188 | 27 |
| (423) 309-52** | (423) 309-5203 - (423) 309-5296 | 20 |
| (423) 309-53** | (423) 309-5304 - (423) 309-5399 | 26 |
| (423) 309-54** | (423) 309-5407 - (423) 309-5498 | 21 |
| (423) 309-55** | (423) 309-5503 - (423) 309-5597 | 27 |
| (423) 309-56** | (423) 309-5604 - (423) 309-5698 | 31 |
| (423) 309-57** | (423) 309-5706 - (423) 309-5787 | 19 |
| (423) 309-58** | (423) 309-5800 - (423) 309-5899 | 29 |
| (423) 309-59** | (423) 309-5901 - (423) 309-5998 | 24 |
US Phone Directory: (423) 309-5***
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