npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
815-490 | IL | ILLINOIS BELL TEL CO (AT&T) | 9329 | ROCKFORD | RCFRILRTDS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: ROCKFORD MAIN Switch Type: DMS100 LATA: Rockford IL (360) Tandem: RCFRILRT52T Detailed Switch Info |