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npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
309-389 | IL | GLASFORD TEL. CO. | 1017 | GLASFORD | GLFDILXDDS0 | 00/00/0000 | Prefix Type: ICO Switch Name: GLASFORD Switch Type: Northern Telecom DMS10 (Digital) LATA: Peoria IL (368) Tandem: N/A Detailed Switch Info |