| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (303) 457-00** | (303) 457-0004 - (303) 457-0098 | 65 |
| (303) 457-01** | (303) 457-0100 - (303) 457-0198 | 66 |
| (303) 457-02** | (303) 457-0200 - (303) 457-0299 | 79 |
| (303) 457-03** | (303) 457-0300 - (303) 457-0399 | 86 |
| (303) 457-04** | (303) 457-0400 - (303) 457-0496 | 85 |
| (303) 457-05** | (303) 457-0501 - (303) 457-0599 | 73 |
| (303) 457-06** | (303) 457-0600 - (303) 457-0699 | 80 |
| (303) 457-07** | (303) 457-0700 - (303) 457-0799 | 79 |
| (303) 457-08** | (303) 457-0800 - (303) 457-0898 | 72 |
| (303) 457-09** | (303) 457-0900 - (303) 457-0999 | 85 |
US Phone Directory: (303) 457-0***
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