NumberResearchRecent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/20/2026
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 450
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
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Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| 2006-08-04 | 450-369 | not yet reported which blocks → | Fido Solutions Inc. | 5643 | Valleyfield | — |
| 2006-08-04 | 450-751 | not yet reported which blocks → | Fido Solutions Inc. | 5643 | Joliette | — |
| 2006-08-02 | 450-399 | not yet reported which blocks → | Videotron Ltd. | 8306 | Ste-Julienne | — |
| 2006-07-28 | 450-397 | not yet reported which blocks → | Videotron Ltd. | 8306 | St-Jacques | — |
| 2006-07-28 | 450-398 | not yet reported which blocks → | Videotron Ltd. | 8306 | Joliette | — |
| 2006-07-20 | 450-412 | not yet reported which blocks → | Videotron Ltd. | 8306 | Mirabel-Ste-Scholastique | — |
| 2006-07-19 | 450-276 | not yet reported which blocks → | TELUS Mobility | 8303 | Ste-Therese | — |
| 2006-07-19 | 450-277 | not yet reported which blocks → | TELUS Mobility | 8303 | Beauharnois | — |
| 2006-07-18 | 450-414 | not yet reported which blocks → | Videotron Ltd. | 8306 | Mirabel-St-Augustin | — |
| 2006-07-12 | 450-413 | not yet reported which blocks → | Videotron Ltd. | 8306 | St-Eustache | — |
| 2006-07-12 | 450-415 | not yet reported which blocks → | Videotron Ltd. | 8306 | Oka | — |
| 2006-07-11 | 450-302 | not yet reported which blocks → | Videotron Ltd. | 8306 | St-Lin | — |
| 2006-07-11 | 450-303 | not yet reported which blocks → | Videotron Ltd. | 8306 | St-Calixte-de-Kilkenny | — |
| 2006-07-11 | 450-304 | not yet reported which blocks → | Videotron Ltd. | 8306 | St-Jerome | — |
| 2006-07-07 | 450-939 | not yet reported which blocks → | Videotron Ltd. | 8306 | Ste-Therese | — |
| 2006-07-07 | 450-940 | not yet reported which blocks → | Videotron Ltd. | 8306 | Ste-Anne-des-Plaines | — |
| 2006-06-30 | 450-933 | not yet reported which blocks → | Videotron Ltd. | 8306 | Pont-Viau | — |
| 2006-06-30 | 450-934 | not yet reported which blocks → | Videotron Ltd. | 8306 | Chomedey | — |
| 2006-06-29 | 450-314 | not yet reported which blocks → | Videotron Ltd. | 8306 | Laval-Ouest | — |
| 2006-06-29 | 450-315 | not yet reported which blocks → | Videotron Ltd. | 8306 | Laval-Est | — |
| 2006-06-29 | 450-936 | not yet reported which blocks → | Videotron Ltd. | 8306 | St-Vincent-de-Paul | — |
| 2006-06-29 | 450-937 | not yet reported which blocks → | Videotron Ltd. | 8306 | Ste-Rose | — |
| 2006-06-27 | 450-333 | not yet reported which blocks → | Videotron Ltd. | 8306 | Rawdon | — |
| 2006-06-27 | 450-591 | not yet reported which blocks → | Videotron Ltd. | 8306 | L'Epiphanie-l'Assomption | — |
| 2006-06-27 | 450-841 | not yet reported which blocks → | Videotron Ltd. | 8306 | Le Gardeur | — |
| 2006-06-23 | 450-272 | not yet reported which blocks → | TELUS Mobility | 8303 | St-Jean | — |
| 2006-06-23 | 450-389 | not yet reported which blocks → | Videotron Ltd. | 8306 | Crabtree | — |
| 2006-06-23 | 450-935 | not yet reported which blocks → | Videotron Ltd. | 8306 | Lavaltrie | — |
| 2006-06-08 | 450-325 | not yet reported which blocks → | Videotron Ltd. | 8306 | Mascouche | — |
| 2006-06-08 | 450-326 | not yet reported which blocks → | Videotron Ltd. | 8306 | Terrebonne | — |
| 2006-05-19 | 450-744 | not yet reported which blocks → | TELUS Quebec | 2243 | St-Sauveur | — |
| 2006-05-19 | 450-745 | not yet reported which blocks → | TELUS Quebec | 2243 | Ste-Adele | — |
| 2006-04-21 | 450-765 | not yet reported which blocks → | TELUS Quebec | 2243 | Terrebonne | — |
| 2006-04-21 | 450-769 | not yet reported which blocks → | TELUS Quebec | 2243 | Mascouche | — |
| 2006-04-11 | 450-908 | not yet reported which blocks → | Videotron Ltd. | 8306 | Sorel | — |
| 2006-04-11 | 450-909 | not yet reported which blocks → | Videotron Ltd. | 8306 | St-Denis | — |
| 2006-04-05 | 450-642 | not yet reported which blocks → | Cooptel | 818D | Actonvale | — |
| 2006-04-04 | 450-271 | not yet reported which blocks → | TELUS Mobility | 8303 | Joliette | — |
| 2006-03-29 | 450-361 | not yet reported which blocks → | Bell Canada | 8050 | Granby | — |
| 2006-03-01 | 450-747 | not yet reported which blocks → | TELUS Quebec | 2243 | Valleyfield | — |
| 2005-12-22 | 450-220 | not yet reported which blocks → | Videotron Ltd. | 8306 | St-Alphonse-de-Rodriguez | — |
| 2005-12-22 | 450-221 | not yet reported which blocks → | Videotron Ltd. | 8306 | St-Felix-de-Valois | — |
| 2005-12-22 | 450-237 | not yet reported which blocks → | Videotron Ltd. | 8306 | Howick | — |
| 2005-12-21 | 450-219 | not yet reported which blocks → | Videotron Ltd. | 8306 | Valleyfield | — |
| 2005-12-19 | 450-216 | not yet reported which blocks → | Videotron Ltd. | 8306 | St-Polycarpe | — |
| 2005-12-19 | 450-218 | not yet reported which blocks → | Videotron Ltd. | 8306 | Vaudreuil | — |
| 2005-12-16 | 450-208 | not yet reported which blocks → | Videotron Ltd. | 8306 | St-Clet | — |
| 2005-12-13 | 450-202 | not yet reported which blocks → | Videotron Ltd. | 8306 | Hudson | — |
| 2005-12-13 | 450-206 | not yet reported which blocks → | Videotron Ltd. | 8306 | Rigaud | — |
| 2005-12-13 | 450-217 | not yet reported which blocks → | Videotron Ltd. | 8306 | Coteau-Landing | — |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.