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| Raw Number | 231729 |
| Basic Format | 231-729 |
| NPA (Area Code) | 231 |
| NXX | 729 |
| NPA-NXX-X | OCN | Company | Rate Center | Use Type | Assign Date | State | Region | Block Effective Date |
|---|---|---|---|---|---|---|---|---|
| 231-729-0XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | IRONS | RT | MI | MW | ||
| 231-729-1XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | IRONS | AS | 07/12/2011 | MI | MW | 08/11/2011 |
| 231-729-2XXX | 543C | ONVOY, LLCV - MI | IRONS | AS | 04/09/2020 | MI | MW | 05/09/2020 |
| 231-729-3XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | IRONS | AS | 12/01/2008 | MI | MW | 12/10/2008 |
| 231-729-4XXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | IRONS | AS | 09/17/2009 | MI | MW | 10/17/2009 |
| 231-729-5XXX | 516C | AT&T ENTERPRISES, LLC | IRONS | AS | 01/28/2013 | MI | MW | 02/22/2013 |
| 231-729-6XXX | 543C | ONVOY, LLCV - MI | IRONS | AS | 04/09/2020 | MI | MW | 05/09/2020 |
| 231-729-7XXX | 508J | CENTURYLINK COMMUNICATIONS, LLC | IRONS | AS | 08/30/2017 | MI | MW | 10/04/2017 |
| 231-729-8XXX | 829J | PAETEC ITEL, LLC | IRONS | AS | 12/30/2003 | MI | MW | 02/03/2004 |
| 231-729-9XXX | 543C | ONVOY, LLCV - MI | IRONS | AS | 02/04/2021 | MI | MW | 03/06/2021 |
| 231-729-XXXX | 6534 | NEW CINGULAR WIRELESS PCS, LLC - IL | IRONS | AS | 08/30/2002 | MI |
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