npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
815-548 | IL | ILLINOIS BELL TEL CO (AT&T) | 9329 | STERLING | STNGILSIDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: STERLING Switch Type: 5ESS LATA: Sterling IL (364) Tandem: DIXNILXA50T Detailed Switch Info |