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| npa-nxx | State | Company | FRN | RMD | OCN | Rate Center | CLLI | Assign Date | Misc |
| 252-429 | NC | VERIZON SOUTH, INC. - NC (Frontier Communications) | N/A | 864F | KNOTTS IS | KNISNCXARS1 | 00/00/0000 | Prefix Type: ICO Switch Name: KNOTTS ISLAND Switch Type: N/A LATA: Norfolk VA (252) Tandem: N/A 🔧 Explore Switch(CLLI: KNISNCXARS1)) | |
| 252-429 is split into 1,000-number blocks - detail below | |||||||||
| 252-429-3XXX | NC | VERIZON SOUTH, INC. - NC (Frontier Communications) | N/A | 864F | KNOTTS IS | KNISNCXARS1 | N/A | Prefix Type: ICO Switch Name: KNOTTS ISLAND Switch Type: N/A LATA: Norfolk VA (252) Tandem: N/A 🔧 Explore Switch(CLLI: KNISNCXARS1)) | |
| 252-429-9XXX | NC | VERIZON SOUTH, INC. - NC (Frontier Communications) | N/A | 864F | KNOTTS IS | KNISNCXARS1 | N/A | Prefix Type: ICO Switch Name: KNOTTS ISLAND Switch Type: N/A LATA: Norfolk VA (252) Tandem: N/A 🔧 Explore Switch(CLLI: KNISNCXARS1)) |