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| npa-nxx | State/Province | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 864-963 | SC | FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - SC (Frontier Communications) | N/A | 0526 | SIMPSONVL | SSVLSCXADS0 | 00/00/0000 | Prefix Type: ICO Switch Name: SIMPSONVILLE Switch Type: NTDMS100 LATA: Greenville SC (430) Tandem: GNVLSCDT60T 🔧 Explore Switch(CLLI: SSVLSCXADS0)) |