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| Raw Number | 840277 |
| Basic Format | 840-277 |
| NPA (Area Code) | 840 |
| NXX | 277 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | City | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|---|
| 840-277-0XXX | 6010 | NEW CINGULAR WIRELESS PCS, LLC | CLAREMONT | AS | 12/26/2025 | CLAREMONT | CA | WC | 01/23/2026 |
| 840-277-1XXX | 624H | ONVOY SPECTRUM, LLC | CLAREMONT | AS | 04/22/2025 | CLAREMONT | CA | WC | 05/16/2025 |
| 840-277-2XXX | 624H | ONVOY SPECTRUM, LLC | CLAREMONT | AS | 04/22/2025 | CLAREMONT | CA | WC | 05/16/2025 |
| 840-277-3XXX | 624H | ONVOY SPECTRUM, LLC | CLAREMONT | AS | 04/22/2025 | CLAREMONT | CA | WC | 05/16/2025 |
| 840-277-4XXX | 6006 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | CLAREMONT | AS | 12/10/2025 | CLAREMONT | CA | WC | 12/19/2025 |
| 840-277-5XXX | 6010 | NEW CINGULAR WIRELESS PCS, LLC | CLAREMONT | AS | 04/29/2025 | CLAREMONT | CA | WC | 05/29/2025 |
| 840-277-6XXX | 6010 | NEW CINGULAR WIRELESS PCS, LLC | CLAREMONT | AS | 04/29/2025 | CLAREMONT | CA | WC | 05/29/2025 |
| 840-277-7XXX | 6006 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | CLAREMONT | AS | 10/08/2025 | CLAREMONT | CA | WC | 10/20/2025 |
| 840-277-8XXX | 7139 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | CLAREMONT | AS | 11/14/2025 | CLAREMONT | CA | WC | 12/15/2025 |
| 840-277-9XXX | 516C | AT&T ENTERPRISES, LLC | CLAREMONT | AS | 10/23/2025 | CLAREMONT | CA | WC | 01/06/2026 |
| 840-277-XXXX | 6006 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | CLAREMONT | AS | 03/28/2025 | CLAREMONT | CA |
Reports