npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
319-267 | IA | DUMONT TEL. CO. | 1152 | ALLISON | DUMTIAXODS0 | 00/00/0000 | Prefix Type: ICO Switch Name: DUMONT Switch Type: Northern Telecom DMS10 (Digital) LATA: Cedar Rapids IA (635) Tandem: N/A Detailed Switch Info |
641-857 | IA | DUMONT TEL. CO. | 1152 | DUMONT | DUMTIAXODS0 | 00/00/0000 | Prefix Type: ICO Switch Name: DUMONT Switch Type: Northern Telecom DMS10 (Digital) LATA: Des Moines IA (632) Tandem: N/A Detailed Switch Info |