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| Raw Number | 331233 |
| Basic Format | 331-233 |
| NPA (Area Code) | 331 |
| NXX | 233 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|
| 331-233-0XXX | 073H | TELNYX LLC | DOWNERSGRV | AS | 03/14/2017 | IL | MW | 04/27/2017 |
| 331-233-1XXX | 224C | ONVOY, LLC | DOWNERSGRV | AS | 06/06/2017 | IL | MW | 06/16/2017 |
| 331-233-2XXX | 6333 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | DOWNERSGRV | AS | 10/25/2017 | IL | MW | 11/06/2017 |
| 331-233-3XXX | 6333 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | DOWNERSGRV | AS | 10/25/2017 | IL | MW | 11/06/2017 |
| 331-233-4XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | DOWNERSGRV | AS | 09/19/2018 | IL | MW | 10/18/2018 |
| 331-233-5XXX | 829J | PAETEC ITEL, LLC | DOWNERSGRV | AS | 10/29/2018 | IL | MW | 11/08/2018 |
| 331-233-6XXX | 318J | COMCAST IP PHONE, LLC | DOWNERSGRV | AS | 03/25/2019 | IL | MW | 04/18/2019 |
| 331-233-7XXX | 7136 | TELEPORT COMMUNICATIONS AMERICA, LLC - IL | DOWNERSGRV | AS | 09/13/2017 | IL | MW | 10/13/2017 |
| 331-233-8XXX | 6333 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | DOWNERSGRV | AS | 08/11/2017 | IL | MW | 09/09/2017 |
| 331-233-9XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | DOWNERSGRV | AS | 07/27/2017 | IL | MW | 08/20/2017 |
| 331-233-XXXX | 073H | TELNYX LLC | DOWNERSGRV | AS | 03/13/2017 | IL |
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