| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (303) 340-00** | (303) 340-0003 - (303) 340-0098 | 49 |
| (303) 340-01** | (303) 340-0100 - (303) 340-0194 | 45 |
| (303) 340-02** | (303) 340-0200 - (303) 340-0299 | 51 |
| (303) 340-03** | (303) 340-0300 - (303) 340-0399 | 50 |
| (303) 340-04** | (303) 340-0400 - (303) 340-0499 | 60 |
| (303) 340-05** | (303) 340-0500 - (303) 340-0598 | 54 |
| (303) 340-06** | (303) 340-0600 - (303) 340-0689 | 9 |
| (303) 340-07** | (303) 340-0702 - (303) 340-0798 | 12 |
| (303) 340-08** | (303) 340-0804 - (303) 340-0899 | 30 |
| (303) 340-09** | (303) 340-0900 - (303) 340-0999 | 61 |
US Phone Directory: (303) 340-0***
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