ONVOY, LLCV - MI
24 prefixes in 586 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 586-217 | ROSEVILLE | 543C | 2014-03-27 | Yes |
| 586-250 | WARREN | 543C | 2016-03-15 | Yes |
| 586-257 | MT CLEMENS | 543C | 2015-12-11 | Yes |
| 586-284 | WASHINGTON | 543C | 2021-06-16 | Yes |
| 586-299 | MT CLEMENS | 543C | 2015-12-04 | Yes |
| 586-303 | WARREN | 543C | — | Yes |
| 586-304 | NEW HAVEN | 543C | 2021-06-25 | Yes |
| 586-325 | NEWBALTIMR | 543C | 2021-07-20 | Yes |
| 586-326 | RICHMOND | 543C | 2021-10-29 | Yes |
| 586-327 | ROSEVILLE | 543C | — | Yes |
| 586-333 | MT CLEMENS | 543C | 2015-07-23 | Yes |
| 586-334 | ROSEVILLE | 543C | 2021-07-30 | Yes |
| 586-352 | MT CLEMENS | 543C | 2023-06-02 | Yes |
| 586-355 | RICHMOND | 543C | 2021-01-06 | Yes |
| 586-366 | ARMADA | 543C | 2021-05-19 | Yes |
| 586-368 | WARREN | 543C | 2023-06-22 | Yes |
| 586-371 | WASHINGTON | 543C | 2016-03-14 | Yes |
| 586-500 | NEWBALTIMR | 543C | 2019-10-10 | Yes |
| 586-544 | UTICA | 543C | 2021-01-06 | Yes |
| 586-571 | CENTERLINE | 543C | 2016-03-23 | Yes |
| 586-666 | MT CLEMENS | 543C | 2017-09-22 | Yes |
| 586-701 | NEW HAVEN | 543C | 2016-03-14 | Yes |
| 586-800 | ROSEVILLE | 543C | 2017-10-06 | Yes |
| 586-999 | WARREN | 543C | 2015-07-24 | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.