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| Raw Number | 443346 |
| Basic Format | 443-346 |
| NPA (Area Code) | 443 |
| NXX | 346 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 443-346-0XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | SEVERNA PK | AS | 03/23/2021 | SEVERNA PARK | MD | MA | 04/19/2021 |
| 443-346-1XXX | 876D | ONVOY, LLC - MD | SEVERNA PK | AS | 04/21/2021 | SEVERNA PARK | MD | MA | 05/21/2021 |
| 443-346-2XXX | 2593 | CORE COMMUNICATIONS, INC.- MD | SEVERNA PK | AS | 03/15/2019 | SEVERNA PARK | MD | MA | 03/29/2019 |
| 443-346-3XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | SEVERNA PK | AS | 10/27/2017 | SEVERNA PARK | MD | MA | 11/24/2017 |
| 443-346-4XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | SEVERNA PK | AS | 10/27/2017 | SEVERNA PARK | MD | MA | 11/24/2017 |
| 443-346-5XXX | 2593 | CORE COMMUNICATIONS, INC.- MD | SEVERNA PK | AS | 10/11/2018 | SEVERNA PARK | MD | MA | 10/23/2018 |
| 443-346-6XXX | 2593 | CORE COMMUNICATIONS, INC.- MD | SEVERNA PK | AS | 03/15/2019 | SEVERNA PARK | MD | MA | 03/29/2019 |
| 443-346-7XXX | 2593 | CORE COMMUNICATIONS, INC.- MD | SEVERNA PK | AS | 10/11/2018 | SEVERNA PARK | MD | MA | 10/23/2018 |
| 443-346-8XXX | 2593 | CORE COMMUNICATIONS, INC.- MD | SEVERNA PK | AS | 10/11/2018 | SEVERNA PARK | MD | MA | 10/23/2018 |
| 443-346-9XXX | 2593 | CORE COMMUNICATIONS, INC.- MD | SEVERNA PK | AS | 10/11/2018 | SEVERNA PARK | MD | MA | 10/23/2018 |
| 443-346-XXXX | 2593 | CORE COMMUNICATIONS, INC.- MD | SEVERNA PK | AS | SEVERNA PARK | MD |
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