Local Calling Guide
Area code/prefix search
NPA: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]
NXX: 292
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
423-292 | A | Fall Branch | TN | JHCYTNXCX2Y | 8645 SUNCOM DBA T-MOBILE USA | 956 |
Last updated: Mon, 15 Sep 2025 02:24:40 UTC
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