| Phone Prefix | Range | Phones Recorded |
|---|---|---|
| (312) 933-80** | (312) 933-8000 - (312) 933-8094 | 12 |
| (312) 933-81** | (312) 933-8110 - (312) 933-8195 | 10 |
| (312) 933-82** | (312) 933-8209 - (312) 933-8275 | 11 |
| (312) 933-83** | (312) 933-8319 - (312) 933-8395 | 16 |
| (312) 933-84** | (312) 933-8403 - (312) 933-8458 | 9 |
| (312) 933-85** | (312) 933-8504 - (312) 933-8597 | 12 |
| (312) 933-86** | (312) 933-8603 - (312) 933-8699 | 10 |
| (312) 933-87** | (312) 933-8703 - (312) 933-8755 | 5 |
| (312) 933-88** | (312) 933-8825 - (312) 933-8898 | 7 |
| (312) 933-89** | (312) 933-8912 - (312) 933-8996 | 13 |
US Phone Directory: (312) 933-8***
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