| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (303) 789-30** | (303) 789-3000 - (303) 789-3099 | 63 |
| (303) 789-31** | (303) 789-3100 - (303) 789-3196 | 67 |
| (303) 789-32** | (303) 789-3200 - (303) 789-3299 | 67 |
| (303) 789-33** | (303) 789-3300 - (303) 789-3399 | 63 |
| (303) 789-34** | (303) 789-3400 - (303) 789-3498 | 69 |
| (303) 789-35** | (303) 789-3500 - (303) 789-3599 | 55 |
| (303) 789-36** | (303) 789-3600 - (303) 789-3699 | 67 |
| (303) 789-37** | (303) 789-3700 - (303) 789-3799 | 60 |
| (303) 789-38** | (303) 789-3800 - (303) 789-3897 | 67 |
| (303) 789-39** | (303) 789-3900 - (303) 789-3999 | 65 |
US Phone Directory: (303) 789-3***
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