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| Raw Number | 878400 |
| Basic Format | 878-400 |
| NPA (Area Code) | 878 |
| NXX | 400 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date | Block Available Date |
|---|---|---|---|---|---|---|---|---|---|---|
| 878-400-0XXX | 547E | ONVOY, LLC - PA | WAMPUM | AS | 04/07/2016 | WAMPUM | PA | MA | 06/05/2016 | |
| 878-400-1XXX | 515J | IP HORIZON LLC | WAMPUM | AS | 12/12/2017 | WAMPUM | PA | MA | 01/07/2018 | |
| 878-400-2XXX | 145J | TERRA NOVA TELECOM INC. | WAMPUM | AS | 08/21/2024 | WAMPUM | PA | MA | 09/19/2024 | |
| 878-400-3XXX | 145J | TERRA NOVA TELECOM INC. | WAMPUM | AS | 01/12/2026 | WAMPUM | PA | MA | 02/05/2026 | |
| 878-400-4XXX | 145J | TERRA NOVA TELECOM INC. | WAMPUM | AS | 01/12/2024 | WAMPUM | PA | MA | 02/15/2024 | |
| 878-400-5XXX | 547E | ONVOY, LLC - PA | WAMPUM | AS | 09/06/2019 | WAMPUM | PA | MA | 10/05/2019 | |
| 878-400-6XXX | 547E | ONVOY, LLC - PA | WAMPUM | AS | 04/01/2021 | WAMPUM | PA | MA | 04/20/2021 | |
| 878-400-7XXX | 547E | ONVOY, LLC - PA | WAMPUM | AV | WAMPUM | PA | MA | 08/20/2024 | ||
| 878-400-8XXX | 073H | TELNYX LLC | WAMPUM | AS | 02/17/2021 | WAMPUM | PA | MA | 03/13/2021 | |
| 878-400-9XXX | 624H | ONVOY SPECTRUM, LLC | WAMPUM | AS | 04/21/2021 | WAMPUM | PA | MA | 05/20/2021 | |
| 878-400-XXXX | 547E | ONVOY, LLC - PA | WAMPUM | AS | WAMPUM | PA |
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