| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (303) 255-60** | (303) 255-6000 - (303) 255-6099 | 80 |
| (303) 255-62** | (303) 255-6201 - (303) 255-6263 | 5 |
| (303) 255-63** | (303) 255-6305 - (303) 255-6378 | 4 |
| (303) 255-64** | (303) 255-6401 - (303) 255-6420 | 2 |
| (303) 255-65** | (303) 255-6557 - (303) 255-6589 | 2 |
| (303) 255-66** | (303) 255-6622 - (303) 255-6659 | 4 |
| (303) 255-67** | (303) 255-6700 - (303) 255-6766 | 2 |
| (303) 255-68** | (303) 255-6805 - (303) 255-6899 | 35 |
| (303) 255-69** | (303) 255-6940 - (303) 255-6998 | 18 |
US Phone Directory: (303) 255-6***
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