Local Calling Guide
Area code/prefix search
NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]
NXX: 999
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
406-999 | A | Big Sky | MT | BZMNMTHZDS0 | 746D MONTANA OPTICOM, LLC - MT | 650 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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