Local Calling Guide
Area code/prefix search
NPA: 406 [Rate centres in NPA 406] [Dial plan for NPA 406]
NXX: 866
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
406-866 | A | Great Falls | MT | ULM MTMARS1 | 9636 QWEST CORPORATION | 648 | |||
406-866 | 0 | Great Falls | MT | HLNAMTHHPS1 | 008E BRESNAN BROADBAND OF MONTANA, LLC - MT [CHARTER] | 648 | 2006-03-13 | ||
406-866 | 2 | Great Falls | MT | ULM MTMARS1 | 9636 QWEST CORPORATION | 648 | |||
406-866 | 3 | Great Falls | MT | ULM MTMARS1 | 9636 QWEST CORPORATION | 648 | |||
406-866 | 6 | Great Falls | MT | GRFLMTMA69Z | 490J DISH WIRELESS, LLC | 648 | 2023-08-21 | ||
406-866 | 7 | Great Falls | MT | GRFLMTMA69Z | 490J DISH WIRELESS, LLC | 648 | 2023-12-18 | ||
406-866 | 8 | Great Falls | MT | GRFLMTMAGMD | 6529 T-MOBILE USA, INC. | 648 | 2023-10-23 |
Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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