| npa-nxx | State | Company | OCN | Rate Center | CLLI | Assign Date | Misc |
| 605-434 | SD | RC COMMUNICATIONS, INC. - SD | 683C | MILBANK | SMMTSDXADS0 | 06/15/2005 | Prefix Type: UNKNOWN Switch Name: SUMMIT Switch Type: Northern Telecom DMS10 Satellite Switching Office LATA: South Dakota (640) Tandem: N/A Detailed Switch Info |
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Last Updated: Sat Jan 4 07:24:12 2025