npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
630-443 | IL | ILLINOIS BELL TEL CO (AT&T) | 9329 | ST CHARLES | GENVILGNDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: GENEVA Switch Type: 5ESS LATA: Chicago IL METRO (358) Tandem: CHCGILNE20T Detailed Switch Info |