| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (303) 558-00** | (303) 558-0000 - (303) 558-0099 | 84 |
| (303) 558-01** | (303) 558-0110 - (303) 558-0199 | 74 |
| (303) 558-02** | (303) 558-0210 - (303) 558-0299 | 75 |
| (303) 558-03** | (303) 558-0310 - (303) 558-0398 | 75 |
| (303) 558-04** | (303) 558-0410 - (303) 558-0498 | 59 |
| (303) 558-05** | (303) 558-0501 - (303) 558-0599 | 55 |
| (303) 558-06** | (303) 558-0620 - (303) 558-0698 | 43 |
| (303) 558-07** | (303) 558-0721 - (303) 558-0799 | 49 |
| (303) 558-08** | (303) 558-0805 - (303) 558-0889 | 5 |
| (303) 558-09** | (303) 558-0910 - (303) 558-0999 | 45 |
US Phone Directory: (303) 558-0***
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