npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
618-628 | IL | ILLINOIS BELL TEL CO (AT&T) | 9329 | O FALLON | OFLNILMQDS0 | 00/00/0000 | Prefix Type: RBOC Switch Name: O'FALLON Switch Type: Northern Telecom DMS100 (Digital) Host LATA: St.Louis MO (520) Tandem: N/A Detailed Switch Info |