| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (303) 450-20** | (303) 450-2000 - (303) 450-2099 | 69 |
| (303) 450-21** | (303) 450-2107 - (303) 450-2199 | 63 |
| (303) 450-22** | (303) 450-2200 - (303) 450-2299 | 65 |
| (303) 450-23** | (303) 450-2300 - (303) 450-2399 | 63 |
| (303) 450-24** | (303) 450-2400 - (303) 450-2499 | 63 |
| (303) 450-25** | (303) 450-2500 - (303) 450-2599 | 63 |
| (303) 450-26** | (303) 450-2600 - (303) 450-2699 | 65 |
| (303) 450-27** | (303) 450-2700 - (303) 450-2794 | 48 |
| (303) 450-28** | (303) 450-2800 - (303) 450-2899 | 60 |
| (303) 450-29** | (303) 450-2900 - (303) 450-2999 | 52 |
US Phone Directory: (303) 450-2***
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