NumberResearchRecent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
Most active assignees, all time
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2021-01-21 | 437-508 | Bell Mobility | 6574 | Toronto | — |
| 2021-01-21 | 438-249 | Bell Mobility | 6574 | Montreal | — |
| 2021-01-21 | 825-428 | Bell Mobility | 6574 | Calgary | — |
| 2021-01-20 | 431-208 | Bell Mobility | 6574 | Winnipeg | — |
| 2021-01-19 | 437-507 | Bell Mobility | 6574 | Toronto | — |
| 2021-01-19 | 438-247 | Bell Mobility | 6574 | Montreal | — |
| 2021-01-19 | 825-427 | Bell Mobility | 6574 | Calgary | — |
| 2021-01-18 | 431-207 | Bell Mobility | 6574 | Winnipeg | — |
| 2021-01-18 | 506-271 | Bell Mobility Aliant | 329A | Saint John | — |
| 2021-01-07 | 437-285 | Bell Mobility | 6574 | Toronto | — |
| 2021-01-07 | 437-639 | Bell Mobility | 6574 | Toronto | — |
| 2021-01-07 | 438-418 | Bell Mobility | 6574 | Montreal | — |
| 2021-01-07 | 438-565 | Bell Mobility | 6574 | Montreal | — |
| 2021-01-05 | 365-637 | Bell Mobility | 6574 | Hamilton | — |
| 2021-01-05 | 367-320 | Bell Mobility | 6574 | Quebec | — |
| 2021-01-05 | 825-478 | Bell Mobility | 6574 | Edmonton | — |
| 2021-01-04 | 437-284 | Bell Mobility | 6574 | Toronto | — |
| 2021-01-04 | 437-638 | Bell Mobility | 6574 | Toronto | — |
| 2021-01-04 | 438-417 | Bell Mobility | 6574 | Montreal | — |
| 2021-01-04 | 438-564 | Bell Mobility | 6574 | Montreal | — |
| 2020-12-30 | 437-636 | Bell Mobility | 6574 | Toronto | — |
| 2020-12-30 | 438-416 | Bell Mobility | 6574 | Montreal | — |
| 2020-12-30 | 438-563 | Bell Mobility | 6574 | Montreal | — |
| 2020-12-29 | 437-282 | Bell Mobility | 6574 | Toronto | — |
| 2020-12-29 | 437-283 | Bell Mobility | 6574 | Toronto | — |
| 2020-12-29 | 437-635 | Bell Mobility | 6574 | Toronto | — |
| 2020-12-29 | 438-415 | Bell Mobility | 6574 | Montreal | — |
| 2020-12-24 | 437-281 | Bell Mobility | 6574 | Toronto | — |
| 2020-12-24 | 437-394 | Bell Mobility | 6574 | Toronto | — |
| 2020-12-24 | 437-634 | Bell Mobility | 6574 | Toronto | — |
| 2020-12-24 | 438-414 | Bell Mobility | 6574 | Montreal | — |
| 2020-12-24 | 438-561 | Bell Mobility | 6574 | Montreal | — |
| 2020-12-24 | 438-562 | Bell Mobility | 6574 | Montreal | — |
| 2020-12-21 | 365-426 | Bell Mobility | 6574 | Hamilton | — |
| 2020-12-21 | 825-537 | Bell Mobility | 6574 | Edmonton | — |
| 2020-12-18 | 581-912 | Bell Mobility | 6574 | Quebec | — |
| 2020-12-09 | 437-280 | Bell Mobility | 6574 | Toronto | — |
| 2020-12-09 | 437-633 | Bell Mobility | 6574 | Toronto | — |
| 2020-12-09 | 438-413 | Bell Mobility | 6574 | Montreal | — |
| 2020-12-09 | 438-560 | Bell Mobility | 6574 | Montreal | — |
| 2020-12-08 | 437-279 | Bell Mobility | 6574 | Toronto | — |
| 2020-12-08 | 437-632 | Bell Mobility | 6574 | Toronto | — |
| 2020-12-08 | 438-412 | Bell Mobility | 6574 | Montreal | — |
| 2020-12-08 | 438-489 | Bell Mobility | 6574 | Montreal | — |
| 2020-12-07 | 437-278 | Bell Mobility | 6574 | Toronto | — |
| 2020-12-07 | 437-631 | Bell Mobility | 6574 | Toronto | — |
| 2020-12-07 | 438-439 | Bell Mobility | 6574 | Montreal | — |
| 2020-12-07 | 438-487 | Bell Mobility | 6574 | Montreal | — |
| 2020-12-03 | 343-574 | Bell Mobility | 6574 | Ottawa-Hull | — |
| 2020-12-01 | 343-575 | Bell Mobility | 6574 | Ottawa-Hull | — |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.