npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
217-470 | IL | ILLINOIS BELL TEL CO (AT&T) | 9329 | SPRINGFLD | SPFDILES52T | 00/00/0000 | Prefix Type: RBOC Switch Name: SPRINGFIELD Switch Type: Northern Telecom DMS200 (Digital) Host LATA: Springfield IL (374) Tandem: N/A Detailed Switch Info |
309-555 | IL | MULTIPLE OCN LISTING | MULT | DIR ASST | SPFDILES52T | 00/00/0000 | Prefix Type: UNKNOWN Switch Name: SPRINGFIELD Switch Type: Northern Telecom DMS200 (Digital) Host LATA: N/A Tandem: N/A Detailed Switch Info |