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| Raw Number | 447257 |
| Basic Format | 447-257 |
| NPA (Area Code) | 447 |
| NXX | 257 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date | Block Available Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 447-257-0XXX | 495J | STRATUS NETWORKS | MASON CITY | AS | 11/17/2021 | MASON CITY | IL | MW | 12/13/2021 | |
| 447-257-1XXX | 073H | TELNYX LLC | MASON CITY | AS | 10/17/2023 | MASON CITY | IL | MW | 11/16/2023 | |
| 447-257-2XXX | 6333 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | MASON CITY | AS | 08/07/2024 | MASON CITY | IL | MW | 09/01/2024 | |
| 447-257-3XXX | 224C | ONVOY, LLC | MASON CITY | AV | MASON CITY | IL | MW | 11/11/2023 | ||
| 447-257-4XXX | 224C | ONVOY, LLC | MASON CITY | AS | 04/27/2021 | MASON CITY | IL | MW | 06/25/2021 | |
| 447-257-5XXX | 224C | ONVOY, LLC | MASON CITY | AV | MASON CITY | IL | MW | 11/11/2023 | ||
| 447-257-6XXX | 224C | ONVOY, LLC | MASON CITY | AV | MASON CITY | IL | MW | 11/11/2023 | ||
| 447-257-7XXX | 224C | ONVOY, LLC | MASON CITY | AS | 07/06/2021 | MASON CITY | IL | MW | 08/01/2021 | |
| 447-257-8XXX | 624H | ONVOY SPECTRUM, LLC | MASON CITY | AS | 04/24/2024 | MASON CITY | IL | MW | 05/24/2024 | |
| 447-257-9XXX | 490J | BOOST SUBSCRIBERCO L.L.C. | MASON CITY | AS | 05/19/2023 | MASON CITY | IL | MW | 11/13/2023 | |
| 447-257-XXXX | 224C | ONVOY, LLC | MASON CITY | AS | 04/26/2021 | MASON CITY | IL |
Reports
Anonymous User from Manorville, New York
August 7, 2025 at 3:10 PM
Anonymous User from Belvidere, Illinois
April 16, 2025 at 11:05 AM
Anonymous User from , IL
April 12, 2025 at 7:46 AM