Phone Prefix | Range | Phones Recorded |
---|---|---|
(303) 450-50** | (303) 450-5000 - (303) 450-5099 | 72 |
(303) 450-51** | (303) 450-5100 - (303) 450-5199 | 73 |
(303) 450-52** | (303) 450-5200 - (303) 450-5299 | 82 |
(303) 450-53** | (303) 450-5301 - (303) 450-5398 | 69 |
(303) 450-54** | (303) 450-5400 - (303) 450-5499 | 82 |
(303) 450-55** | (303) 450-5507 - (303) 450-5507 | 1 |
(303) 450-56** | (303) 450-5690 - (303) 450-5690 | 1 |
(303) 450-57** | (303) 450-5710 - (303) 450-5710 | 1 |
(303) 450-58** | (303) 450-5811 - (303) 450-5879 | 2 |
(303) 450-59** | (303) 450-5900 - (303) 450-5989 | 12 |
US Phone Directory: (303) 450-5***
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