Local Calling Guide
Area code/prefix search
NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]
NXX: 452
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
406-452 | A | Great Falls | MT | GRFLMTMADS0 | 9636 QWEST CORPORATION | 648 |
Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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