| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (423) 309-40** | (423) 309-4000 - (423) 309-4096 | 9 |
| (423) 309-41** | (423) 309-4100 - (423) 309-4198 | 27 |
| (423) 309-42** | (423) 309-4211 - (423) 309-4298 | 29 |
| (423) 309-43** | (423) 309-4308 - (423) 309-4399 | 32 |
| (423) 309-44** | (423) 309-4402 - (423) 309-4498 | 22 |
| (423) 309-45** | (423) 309-4512 - (423) 309-4596 | 19 |
| (423) 309-46** | (423) 309-4604 - (423) 309-4699 | 22 |
| (423) 309-47** | (423) 309-4707 - (423) 309-4796 | 27 |
| (423) 309-48** | (423) 309-4803 - (423) 309-4898 | 27 |
| (423) 309-49** | (423) 309-4900 - (423) 309-4995 | 31 |
US Phone Directory: (423) 309-4***
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