Local Calling Guide
Area code/prefix search
NPA: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]
NXX: 678
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
423-678 | A | Roan Mountain | TN | JHCYTNXCXPX | 525E ONVOY, LLC - TN | 956 | |||
423-678 | 0 | Roan Mountain | TN | JHCYTNXCXPX | 525E ONVOY, LLC - TN | 956 | 2021-06-15 | ||
423-678 | 1 | Roan Mountain | TN | JHCYTNXCXPX | 525E ONVOY, LLC - TN | 956 | 2023-09-18 | ||
423-678 | 2 | Roan Mountain | TN | JHCYTNXCXPY | 624H ONVOY SPECTRUM, LLC | 956 | 2024-03-05 | ||
423-678 | 3 | Roan Mountain | TN | JHCYTNXCXPX | 525E ONVOY, LLC - TN | 956 | 2021-07-10 | ||
423-678 | 4 | Roan Mountain | TN | JHCYTNXCXPX | 525E ONVOY, LLC - TN | 956 | 2021-07-10 | ||
423-678 | 6 | Roan Mountain | TN | JHCYTNXCX9Y | 081J SKYBEST COMMUNICATIONS, INC. - TN | 956 | 2024-08-25 | ||
423-678 | 8 | Roan Mountain | TN | JHCYTNXCXPX | 525E ONVOY, LLC - TN | 956 | 2021-06-16 |
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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