Local Calling Guide
Area code/prefix search
NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]
NXX: 992
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
406-992 | A | Helena | MT | HLNAMTMANMD | 357E YMAX COMMUNICATIONS CORP. - MT | 648 | |||
406-992 | 0 | Helena | MT | HLNAMTMANMD | 357E YMAX COMMUNICATIONS CORP. - MT | 648 | 2008-10-10 | ||
406-992 | 1 | Helena | MT | HLNAMTMANMD | 357E YMAX COMMUNICATIONS CORP. - MT | 648 | 2008-10-10 | ||
406-992 | 2 | Helena | MT | HLNAMTMANMD | 357E YMAX COMMUNICATIONS CORP. - MT | 648 | 2008-10-10 | ||
406-992 | 4 | Helena | MT | HLNAMTMANMD | 357E YMAX COMMUNICATIONS CORP. - MT | 648 | 2010-10-18 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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