npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
815-724 | IL | ILLINOIS BELL TEL CO (AT&T) | 9329 | JOLIET | JOLTILJODS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: JOLIET MAIN Switch Type: EWSD LATA: Chicago IL METRO (358) Tandem: JOLTILJO20T Detailed Switch Info |