ONVOY, LLC - MA
42 prefixes in 857 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 857-219 | NEWTON | 892D | 2012-02-16 | Yes |
| 857-232 | NEWTON | 892D | 2006-05-17 | Yes |
| 857-239 | BOSTON | 892D | — | Yes |
| 857-243 | BOSTON | 892D | 2009-11-05 | Yes |
| 857-271 | DORCHESTER | 892D | — | Yes |
| 857-280 | BRIGHTON | 892D | 2016-02-26 | Yes |
| 857-289 | BOSTON | 892D | 2017-05-01 | Yes |
| 857-299 | BELMONT | 892D | — | Yes |
| 857-309 | DORCHESTER | 892D | 2014-12-16 | Yes |
| 857-336 | WINTHROP | 892D | 2016-03-01 | Yes |
| 857-371 | WATERTOWN | 892D | — | Yes |
| 857-374 | QUINCY | 892D | 2021-06-14 | Yes |
| 857-375 | DORCHESTER | 892D | 2021-06-14 | Yes |
| 857-380 | EASTBOSTON | 892D | 2020-05-13 | Yes |
| 857-382 | EASTBOSTON | 892D | 2021-06-14 | Yes |
| 857-384 | BRIGHTON | 892D | 2021-07-16 | Yes |
| 857-392 | JAMAICA PL | 892D | 2021-06-14 | Yes |
| 857-412 | CAMBRIDGE | 892D | — | Yes |
| 857-420 | CAMBRIDGE | 892D | 2022-11-23 | Yes |
| 857-422 | SO BOSTON | 892D | 2021-06-14 | Yes |
| 857-428 | EVERETT | 892D | 2023-06-09 | Yes |
| 857-475 | CHELSEA | 892D | 2021-04-01 | Yes |
| 857-477 | JAMAICA PL | 892D | 2016-02-10 | Yes |
| 857-520 | HYDE PARK | 892D | — | Yes |
| 857-567 | DORCHESTER | 892D | 2020-05-15 | Yes |
| 857-575 | SOMERVILLE | 892D | 2021-04-01 | Yes |
| 857-577 | CHARLESTN | 892D | 2016-02-11 | Yes |
| 857-597 | WINTHROP | 892D | 2021-04-01 | Yes |
| 857-663 | DORCHESTER | 892D | — | Yes |
| 857-666 | BROOKLINE | 892D | 2015-03-23 | Yes |
| 857-675 | ROXBURY | 892D | 2021-04-02 | Yes |
| 857-678 | BELMONT | 892D | 2021-04-02 | Yes |
| 857-754 | QUINCY | 892D | 2020-12-08 | Yes |
| 857-800 | BOSTON | 892D | 2015-03-20 | Yes |
| 857-810 | BOSTON | 892D | 2021-03-11 | Yes |
| 857-837 | CHARLESTN | 892D | 2020-05-28 | Yes |
| 857-855 | BOSTON | 892D | 2021-01-25 | Yes |
| 857-856 | CAMBRIDGE | 892D | 2015-03-18 | Yes |
| 857-858 | NEWTON | 892D | 2020-05-13 | Yes |
| 857-877 | BRIGHTON | 892D | 2020-05-13 | Yes |
| 857-971 | CHARLESTN | 892D | 2016-05-09 | Yes |
| 857-995 | SOMERVILLE | 892D | — | 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.