Local Calling Guide
Area code/prefix search
NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]
NXX: 878
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
406-878 | A | Great Falls | MT | MSSLMTXC7MD | 732J NUSO, LLC | 648 | |||
406-878 | 1 | Great Falls | MT | GRFLMTMADMD | 551G NUSO, LLC | 648 | 2013-05-02 | ||
406-878 | 2 | Great Falls | MT | MSSLMTXC7MD | 732J NUSO, LLC | 648 | 2023-03-30 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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