npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
773-778 | IL | ILLINOIS BELL TEL CO (AT&T) | 9329 | CHICGOZN08 | CHCGILPRDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHCG PROSPECT Switch Type: EWSD LATA: Chicago IL METRO (358) Tandem: CHCGILID71T Detailed Switch Info |