Local Calling Guide
Area code/prefix search
NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]
NXX: 900
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
406-900 | A | Ennis | MT | MSSLMTMA0MD | 9415 LEVEL 3 COMMUNICATIONS, LLC - MT | 648 | |||
406-900 | 1 | Ennis | MT | MSSLMTMA0MD | 9415 LEVEL 3 COMMUNICATIONS, LLC - MT | 648 | 2017-11-20 |
Last updated: Sat, 30 Sep 2023 22:09:11 UTC
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