| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (307) 577-60** | (307) 577-6000 - (307) 577-6099 | 75 |
| (307) 577-63** | (307) 577-6300 - (307) 577-6398 | 75 |
| (307) 577-64** | (307) 577-6400 - (307) 577-6499 | 76 |
| (307) 577-67** | (307) 577-6700 - (307) 577-6759 | 8 |
| (307) 577-69** | (307) 577-6901 - (307) 577-6901 | 1 |
US Phone Directory: (307) 577-6***
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