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| Raw Number | 406858 |
| Basic Format | 406-858 |
| NPA (Area Code) | 406 |
| NXX | 858 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 406-858-0XXX | 6564 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT | KALISPELL | AS | 01/10/2014 | KALISPELL | MT | WE | 02/07/2014 |
| 406-858-1XXX | 986F | WESTERN MONTANA COMMUNITYTEL INC. - MT | KALISPELL | AS | 03/23/2016 | KALISPELL | MT | WE | 04/22/2016 |
| 406-858-2XXX | 2249 | CENTURYTEL OF MONTANA, INC. DBA CENTURYLINK | KALISPELL | RT | KALISPELL | MT | WE | ||
| 406-858-3XXX | 453F | ONVOY, LLC - MT | KALISPELL | AS | 10/17/2019 | KALISPELL | MT | WE | 11/18/2019 |
| 406-858-4XXX | 453F | ONVOY, LLC - MT | KALISPELL | AS | 10/17/2019 | KALISPELL | MT | WE | 11/18/2019 |
| 406-858-5XXX | 490J | BOOST SUBSCRIBERCO L.L.C. | KALISPELL | AS | 06/12/2023 | KALISPELL | MT | WE | 08/13/2023 |
| 406-858-6XXX | 453F | ONVOY, LLC - MT | KALISPELL | AS | 08/16/2019 | KALISPELL | MT | WE | 09/15/2019 |
| 406-858-7XXX | 453F | ONVOY, LLC - MT | KALISPELL | AS | 10/17/2019 | KALISPELL | MT | WE | 11/18/2019 |
| 406-858-8XXX | 453F | ONVOY, LLC - MT | KALISPELL | AS | 10/17/2019 | KALISPELL | MT | WE | 11/18/2019 |
| 406-858-9XXX | 073H | TELNYX LLC | KALISPELL | AS | 10/28/2022 | KALISPELL | MT | WE | 11/27/2022 |
| 406-858-XXXX | 490J | BOOST SUBSCRIBERCO L.L.C. | KALISPELL | AS | KALISPELL | MT |
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