| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (773) 972-30** | (773) 972-3001 - (773) 972-3097 | 18 |
| (773) 972-31** | (773) 972-3105 - (773) 972-3193 | 24 |
| (773) 972-32** | (773) 972-3200 - (773) 972-3293 | 20 |
| (773) 972-33** | (773) 972-3304 - (773) 972-3398 | 22 |
| (773) 972-34** | (773) 972-3406 - (773) 972-3499 | 21 |
| (773) 972-35** | (773) 972-3500 - (773) 972-3599 | 17 |
| (773) 972-36** | (773) 972-3600 - (773) 972-3697 | 25 |
| (773) 972-37** | (773) 972-3701 - (773) 972-3798 | 18 |
| (773) 972-38** | (773) 972-3803 - (773) 972-3899 | 20 |
| (773) 972-39** | (773) 972-3904 - (773) 972-3998 | 28 |
US Phone Directory: (773) 972-3***
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