npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
217-524 | IL | ILLINOIS BELL TEL CO (AT&T) | 9329 | SPRINGFLD | SPFDILESDS1 | 00/00/0000 | Prefix Type: RBOC Switch Name: SPRINGFIELD MAIN DS1 Switch Type: DMS100 LATA: Springfield IL (374) Tandem: SPFDILES52T Detailed Switch Info |