| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (303) 657-51** | (303) 657-5101 - (303) 657-5101 | 1 |
| (303) 657-53** | (303) 657-5300 - (303) 657-5399 | 89 |
| (303) 657-54** | (303) 657-5400 - (303) 657-5499 | 91 |
| (303) 657-55** | (303) 657-5500 - (303) 657-5599 | 74 |
| (303) 657-56** | (303) 657-5600 - (303) 657-5699 | 93 |
| (303) 657-58** | (303) 657-5850 - (303) 657-5880 | 3 |
| (303) 657-59** | (303) 657-5901 - (303) 657-5999 | 70 |
US Phone Directory: (303) 657-5***
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