| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (303) 378-80** | (303) 378-8000 - (303) 378-8098 | 25 |
| (303) 378-81** | (303) 378-8102 - (303) 378-8198 | 25 |
| (303) 378-82** | (303) 378-8206 - (303) 378-8297 | 25 |
| (303) 378-83** | (303) 378-8306 - (303) 378-8399 | 19 |
| (303) 378-84** | (303) 378-8401 - (303) 378-8497 | 28 |
| (303) 378-85** | (303) 378-8501 - (303) 378-8593 | 22 |
| (303) 378-86** | (303) 378-8600 - (303) 378-8699 | 34 |
| (303) 378-87** | (303) 378-8700 - (303) 378-8798 | 30 |
| (303) 378-88** | (303) 378-8805 - (303) 378-8899 | 35 |
| (303) 378-89** | (303) 378-8911 - (303) 378-8998 | 32 |
US Phone Directory: (303) 378-8***
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