| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (773) 321-90** | (773) 321-9000 - (773) 321-9099 | 77 |
| (773) 321-91** | (773) 321-9100 - (773) 321-9199 | 80 |
| (773) 321-92** | (773) 321-9202 - (773) 321-9299 | 75 |
| (773) 321-93** | (773) 321-9300 - (773) 321-9399 | 73 |
| (773) 321-94** | (773) 321-9400 - (773) 321-9498 | 77 |
| (773) 321-95** | (773) 321-9500 - (773) 321-9598 | 63 |
| (773) 321-96** | (773) 321-9600 - (773) 321-9699 | 66 |
| (773) 321-97** | (773) 321-9700 - (773) 321-9797 | 73 |
| (773) 321-98** | (773) 321-9800 - (773) 321-9898 | 69 |
| (773) 321-99** | (773) 321-9900 - (773) 321-9999 | 68 |
US Phone Directory: (773) 321-9***
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