NumberResearchRecent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026
The Code holder is who opened each NPA-NXX prefix — not necessarily who holds the numbers. A prefix is 10,000 numbers, but under pooling its ten 1,000-number blocks are handed out individually, often to different carriers; the code holder may hold only one block, or none. The Thousands-blocks column shows how the ten blocks are really split — click which blocks → to see who holds each 1,000-number block and its last-4-digit range. Assignments are initial assignments; the current serving carrier may differ due to portability.
Most active assignees, all time — NPA 819
New assignments by month
Sep 2026
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Oct 2025
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| 2015-03-18 | 819-933 | not yet reported which blocks → | Videotron Ltd. | 8306 | Sherbrooke | — |
| 2015-03-10 | 819-525 | not yet reported which blocks → | Videotron Ltd. | 8306 | Ottawa-Hull | — |
| 2014-03-24 | 819-834 | not yet reported which blocks → | Videotron Ltd. | 8306 | Amos | — |
| 2013-12-03 | 819-710 | not yet reported which blocks → | Videotron Ltd. | 8306 | Val-D'Or | — |
| 2013-10-03 | 819-600 | not yet reported which blocks → | Videotron Ltd. | 8306 | Ottawa-Hull | — |
| 2013-10-03 | 819-987 | not yet reported which blocks → | Videotron Ltd. | 8306 | Sherbrooke | — |
| 2013-09-27 | 819-206 | not yet reported which blocks → | Videotron Ltd. | 8306 | Ferme-Neuve | — |
| 2013-09-27 | 819-387 | not yet reported which blocks → | Videotron Ltd. | 8306 | Lac-des-Ecorces | — |
| 2013-09-27 | 819-403 | not yet reported which blocks → | Videotron Ltd. | 8306 | Lac-du-Cerf | — |
| 2013-09-27 | 819-814 | not yet reported which blocks → | Videotron Ltd. | 8306 | Ste-Anne-du-Lac | — |
| 2012-12-20 | 819-559 | not yet reported which blocks → | Videotron Ltd. | 8306 | Warwick | — |
| 2012-12-20 | 819-645 | not yet reported which blocks → | Videotron Ltd. | 8306 | Kingsey-Falls | — |
| 2012-12-07 | 819-630 | not yet reported which blocks → | Videotron Ltd. | 8306 | Saint-Albert | — |
| 2012-12-07 | 819-641 | not yet reported which blocks → | Videotron Ltd. | 8306 | Warwick | — |
| 2012-10-04 | 819-904 | not yet reported which blocks → | Videotron Ltd. | 787G | Ottawa-Hull | — |
| 2011-07-28 | 819-223 | not yet reported which blocks → | Videotron Ltd. | 8306 | Asbestos | — |
| 2011-06-30 | 819-500 | not yet reported which blocks → | Videotron Ltd. | 328F | Gatineau | — |
| 2011-04-04 | 819-501 | not yet reported which blocks → | Videotron Ltd. | 8306 | Compton | — |
| 2011-04-04 | 819-502 | not yet reported which blocks → | Videotron Ltd. | 8306 | Coaticook | — |
| 2011-04-04 | 819-553 | not yet reported which blocks → | Videotron Ltd. | 8306 | Sawyerville | — |
| 2011-03-24 | 819-235 | not yet reported which blocks → | Videotron Ltd. | 8306 | La Patrie | — |
| 2011-03-24 | 819-312 | not yet reported which blocks → | Videotron Ltd. | 8306 | Chartierville | — |
| 2011-03-24 | 819-514 | not yet reported which blocks → | Videotron Ltd. | 8306 | East Hereford | — |
| 2011-03-24 | 819-515 | not yet reported which blocks → | Videotron Ltd. | 8306 | St-Malo | — |
| 2010-06-10 | 819-968 | not yet reported which blocks → | Videotron Ltd. | 328F | Ottawa-Hull | — |
| 2010-05-12 | 819-908 | not yet reported which blocks → | Videotron Ltd. | 8306 | Richmond | — |
| 2010-01-28 | 819-931 | not yet reported which blocks → | Videotron Ltd. | 8306 | Ottawa-Hull | — |
| 2009-12-14 | 819-700 | not yet reported which blocks → | Videotron Ltd. | 383F | Ottawa-Hull | — |
| 2009-08-21 | 819-631 | not yet reported which blocks → | Videotron Ltd. | 328F | St-Jovite | — |
| 2009-08-21 | 819-905 | not yet reported which blocks → | Videotron Ltd. | 328F | Richmond | — |
| 2009-03-20 | 819-944 | not yet reported which blocks → | Videotron Ltd. | 328F | Trois-Rivieres | — |
| 2009-03-18 | 819-930 | not yet reported which blocks → | Videotron Ltd. | 328F | Gatineau | — |
| 2009-03-04 | 819-951 | not yet reported which blocks → | Videotron Ltd. | 328F | Mont-Laurier | — |
| 2009-03-04 | 819-960 | not yet reported which blocks → | Videotron Ltd. | 328F | Victoriaville | — |
| 2009-03-04 | 819-967 | not yet reported which blocks → | Videotron Ltd. | 328F | Drummondville | — |
| 2009-01-20 | 819-943 | not yet reported which blocks → | Videotron Ltd. | 328F | Sherbrooke | — |
| 2008-10-02 | 819-812 | not yet reported which blocks → | Videotron Ltd. | 8306 | Sherbrooke | — |
| 2008-08-25 | 819-231 | not yet reported which blocks → | Videotron Ltd. | 8306 | Scotstown | — |
| 2008-08-25 | 819-232 | not yet reported which blocks → | Videotron Ltd. | 8306 | Lac-Drolet | — |
| 2008-04-01 | 819-267 | not yet reported which blocks → | Videotron Ltd. | 8306 | Rock Island | — |
| 2008-04-01 | 819-554 | not yet reported which blocks → | Videotron Ltd. | 8306 | Lac-Megantic | — |
| 2007-12-19 | 819-704 | not yet reported which blocks → | Videotron Ltd. | 8306 | Rock Island | — |
| 2007-11-01 | 819-594 | not yet reported which blocks → | Videotron Ltd. | 8306 | Magog | — |
| 2007-09-07 | 819-932 | not yet reported which blocks → | Videotron Ltd. | 8306 | Windsor | — |
| 2007-08-21 | 819-599 | not yet reported which blocks → | Videotron Ltd. | 8306 | Deschaillons | — |
| 2007-06-26 | 819-504 | not yet reported which blocks → | Videotron Ltd. | 8306 | Chesterville | — |
| 2007-06-26 | 819-894 | not yet reported which blocks → | Videotron Ltd. | 8306 | Luskville | — |
| 2007-05-25 | 819-505 | not yet reported which blocks → | Videotron Ltd. | 8306 | Princeville | — |
| 2007-05-17 | 819-260 | not yet reported which blocks → | Videotron Ltd. | 8306 | Arthabaska | — |
| 2007-05-17 | 819-261 | not yet reported which blocks → | Videotron Ltd. | 8306 | Norbertville | — |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.