You are reviewing the Area Code (NPA/NXX) report for 406-573. Did you mean to search the SMS short code 406573?
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| Raw Number | 406573 |
| Basic Format | 406-573 |
| NPA (Area Code) | 406 |
| NXX | 573 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | State | Region | Block Effective Date | Block Available Date |
|---|---|---|---|---|---|---|---|---|---|
| 406-573-0XXX | 619J | SIYEH COMMUNICATIONS | BROWNING | AS | 01/11/2021 | MT | WE | 02/08/2021 | |
| 406-573-1XXX | 9415 | LEVEL 3 COMMUNICATIONS, LLC - MT | BROWNING | AS | 05/27/2015 | MT | WE | 06/30/2015 | |
| 406-573-2XXX | 619J | SIYEH COMMUNICATIONS | BROWNING | AV | MT | WE | 02/20/2021 | ||
| 406-573-3XXX | 619J | SIYEH COMMUNICATIONS | BROWNING | AV | MT | WE | 02/20/2021 | ||
| 406-573-4XXX | 619J | SIYEH COMMUNICATIONS | BROWNING | AV | MT | WE | 02/20/2021 | ||
| 406-573-5XXX | 619J | SIYEH COMMUNICATIONS | BROWNING | AV | MT | WE | 02/20/2021 | ||
| 406-573-6XXX | 624H | ONVOY SPECTRUM, LLC | BROWNING | AS | 10/21/2021 | MT | WE | 11/14/2021 | |
| 406-573-7XXX | 619J | SIYEH COMMUNICATIONS | BROWNING | AV | MT | WE | 02/20/2021 | ||
| 406-573-8XXX | 624H | ONVOY SPECTRUM, LLC | BROWNING | AS | 06/22/2021 | MT | WE | 07/18/2021 | |
| 406-573-9XXX | 619J | SIYEH COMMUNICATIONS | BROWNING | AV | MT | WE | 02/20/2021 | ||
| 406-573-XXXX | 619J | SIYEH COMMUNICATIONS | BROWNING | AS | MT |
Reports
Anonymous User from Missoula, Montana
January 21, 2026 at 1:36 PM
Anonymous User from Billings, Montana
January 19, 2026 at 7:20 PM
Anonymous User from Choteau, Montana
March 18, 2025 at 5:50 PM
Anonymous User from Billings, Montana
March 10, 2025 at 3:21 PM
Anonymous User from Bozeman, Montana
February 6, 2025 at 11:05 AM