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npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
773-745 | IL | ILLINOIS BELL TEL CO (AT&T) | 9329 | CHICGOZN05 | CHCGILMEDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: CHCG MERRIMAC Switch Type: 5ESS LATA: N/A Tandem: CHCGILWB55T Detailed Switch Info |