You are reviewing the Area Code (NPA/NXX) report for 406-435. Did you mean to search the SMS short code 406435?
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| Raw Number | 406435 |
| Basic Format | 406-435 |
| NPA (Area Code) | 406 |
| NXX | 435 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|
| 406-435-0XXX | 520K | TDS METROCOM, LLC | BILLINGS | AS | 10/09/2025 | MT | WE | 12/06/2025 |
| 406-435-1XXX | 4222 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | BILLINGS | RT | MT | WE | ||
| 406-435-2XXX | 4222 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | BILLINGS | RT | MT | WE | ||
| 406-435-3XXX | 4222 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | BILLINGS | RT | MT | WE | ||
| 406-435-4XXX | 4222 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | BILLINGS | RT | MT | WE | ||
| 406-435-5XXX | 4222 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | BILLINGS | RT | MT | WE | ||
| 406-435-6XXX | 4222 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | BILLINGS | RT | MT | WE | ||
| 406-435-7XXX | 4222 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | BILLINGS | RT | MT | WE | ||
| 406-435-8XXX | 4222 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | BILLINGS | RT | MT | WE | ||
| 406-435-9XXX | 6564 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MT | BILLINGS | AS | 03/23/2021 | MT | WE | 04/22/2021 |
| 406-435-XXXX | 520K | TDS METROCOM, LLC | BILLINGS | AS | MT |
Reports
Anonymous User from , MT
August 6, 2025 at 5:20 PM