U0034340 |
AT&T Corp. d/b/a Illinois Bell |
Current Owner |
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U0002679 |
Central Telephone Company Of Illinois |
Former Owner |
12/31/1967 |
U0031962 |
IL Bell Telephone Co. d/b/a SBC Illinois |
Former Owner |
|
U0007227 |
Ameritech d/b/a AT&T |
Former Owner |
|
U0016975 |
Ameritech |
Former Owner |
|