Local Calling Guide
Area code/prefix search
NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]
NXX: 933
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
406-933 | A | Helena | MT | CLNCMTMARS1 | 9636 QWEST CORPORATION | 648 | |||
406-933 | 5 | Helena | MT | CLNCMTMARS1 | 9636 QWEST CORPORATION | 648 | |||
406-933 | 8 | Helena | MT | CLNCMTMARS1 | 9636 QWEST CORPORATION | 648 | |||
406-933 | 9 | Helena | MT | CLNCMTMARS1 | 9636 QWEST CORPORATION | 648 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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