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| Raw Number | 227303 |
| Basic Format | 227-303 |
| NPA (Area Code) | 227 |
| NXX | 303 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 227-303-0XXX | 876D | ONVOY, LLC - MD | WSNGTNZN10 | AS | 11/04/2025 | WASHINGTON ZONE 10 | MD | MA | 12/19/2025 |
| 227-303-1XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSNGTNZN10 | AS | 11/24/2025 | WASHINGTON ZONE 10 | MD | MA | 12/23/2025 |
| 227-303-2XXX | 876D | ONVOY, LLC - MD | WSNGTNZN10 | AS | 12/18/2025 | WASHINGTON ZONE 10 | MD | MA | 01/11/2026 |
| 227-303-3XXX | 321J | HD CARRIER LLC | WSNGTNZN10 | AS | 12/19/2025 | WASHINGTON ZONE 10 | MD | MA | 01/18/2026 |
| 227-303-4XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSNGTNZN10 | AS | 11/24/2025 | WASHINGTON ZONE 10 | MD | MA | 12/23/2025 |
| 227-303-5XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSNGTNZN10 | AS | 11/24/2025 | WASHINGTON ZONE 10 | MD | MA | 12/23/2025 |
| 227-303-6XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSNGTNZN10 | AS | 11/24/2025 | WASHINGTON ZONE 10 | MD | MA | 12/23/2025 |
| 227-303-7XXX | 4036 | NEW CINGULAR WIRELESS PCS, LLC - DC | WSNGTNZN10 | AS | 11/24/2025 | WASHINGTON ZONE 10 | MD | MA | 12/23/2025 |
| 227-303-8XXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSNGTNZN10 | AS | 10/21/2025 | WASHINGTON ZONE 10 | MD | MA | 12/18/2025 |
| 227-303-9XXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSNGTNZN10 | AS | 10/21/2025 | WASHINGTON ZONE 10 | MD | MA | 12/18/2025 |
| 227-303-XXXX | 6855 | OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC | WSNGTNZN10 | AS | 10/21/2025 | WASHINGTON ZONE 10 | MD |
Reports