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| Raw Number | 618400 |
| Basic Format | 618-400 |
| NPA (Area Code) | 618 |
| NXX | 400 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 618-400-0XXX | 224C | ONVOY, LLC | MILLSTADT | AS | 01/05/2018 | MILLSTADT | IL | MW | 02/04/2018 |
| 618-400-1XXX | 073H | TELNYX LLC | MILLSTADT | AS | 06/22/2020 | MILLSTADT | IL | MW | 07/16/2020 |
| 618-400-2XXX | 224C | ONVOY, LLC | MILLSTADT | AS | 03/26/2021 | MILLSTADT | IL | MW | 04/24/2021 |
| 618-400-3XXX | 624H | ONVOY SPECTRUM, LLC | MILLSTADT | AS | 12/06/2024 | MILLSTADT | IL | MW | 01/04/2025 |
| 618-400-4XXX | 224C | ONVOY, LLC | MILLSTADT | AS | 06/29/2019 | MILLSTADT | IL | MW | 07/29/2019 |
| 618-400-5XXX | 224C | ONVOY, LLC | MILLSTADT | AS | 06/29/2019 | MILLSTADT | IL | MW | 07/29/2019 |
| 618-400-6XXX | 224C | ONVOY, LLC | MILLSTADT | AS | 03/26/2021 | MILLSTADT | IL | MW | 04/24/2021 |
| 618-400-7XXX | 508J | CENTURYLINK COMMUNICATIONS, LLC | MILLSTADT | AS | 12/18/2015 | MILLSTADT | IL | MW | 01/22/2016 |
| 618-400-8XXX | 495J | STRATUS NETWORKS | MILLSTADT | AS | 10/26/2020 | MILLSTADT | IL | MW | 11/22/2020 |
| 618-400-9XXX | 075A | DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL | MILLSTADT | AS | 02/01/2021 | MILLSTADT | IL | MW | 02/28/2021 |
| 618-400-XXXX | 224C | ONVOY, LLC | MILLSTADT | AS | MILLSTADT | IL |
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