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
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Oct 2025
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| 2001-01-26 | 450-786 | not yet reported which blocks → | TELUS Quebec | 2243 | Pont-Viau | — |
| 2001-01-24 | 450-806 | not yet reported which blocks → | TELUS Mobility | 8303 | Ste-Therese | — |
| 2001-01-24 | 450-807 | not yet reported which blocks → | TELUS Mobility | 8303 | Valleyfield | — |
| 2001-01-16 | 450-501 | not yet reported which blocks → | TELUS Mobility | 8303 | St-Hyacinthe | — |
| 2001-01-16 | 450-502 | not yet reported which blocks → | TELUS Mobility | 8303 | St-Hyacinthe | — |
| 2001-01-16 | 450-760 | not yet reported which blocks → | Bell Canada | 8050 | Joliette | — |
| 2001-01-16 | 450-821 | not yet reported which blocks → | TELUS Mobility | 8303 | St-Jerome | — |
| 2001-01-16 | 450-822 | not yet reported which blocks → | TELUS Mobility | 8303 | St-Jerome | — |
| 2001-01-16 | 450-888 | not yet reported which blocks → | Bell Mobility | 6574 | St-Hyacinthe | — |
| 2001-01-10 | 450-574 | not yet reported which blocks → | Videotron Ltd. | 8306 | Granby | — |
| 2000-12-21 | 450-820 | not yet reported which blocks → | TELUS Mobility | 8303 | St-Jerome | — |
| 2000-11-14 | 450-505 | not yet reported which blocks → | Videotron Ltd. | 8306 | Chomedey | — |
| 2000-10-19 | 450-880 | not yet reported which blocks → | TELUS Mobility | 8303 | Sorel | — |
| 2000-10-19 | 450-881 | not yet reported which blocks → | TELUS Mobility | 8303 | Sorel | — |
| 2000-09-19 | 450-392 | not yet reported which blocks → | Telebec Ltee. | 8239 | Contrecoeur | — |
| 2000-09-12 | 450-516 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | St-Jerome | — |
| 2000-09-12 | 450-518 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | St-Hyacinthe | — |
| 2000-09-07 | 450-803 | not yet reported which blocks → | TELUS Mobility | 8303 | Joliette | — |
| 2000-08-23 | 450-694 | not yet reported which blocks → | Fido Solutions Inc. | 5643 | St-Jerome | — |
| 2000-07-27 | 450-802 | not yet reported which blocks → | TELUS Mobility | 8303 | Valleyfield | — |
| 2000-07-24 | 450-577 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Granby | — |
| 2000-07-17 | 450-901 | not yet reported which blocks → | Zayo Canada Inc. | 8304 | Pont-Viau | — |
| 2000-07-17 | 450-902 | not yet reported which blocks → | Zayo Canada Inc. | 8304 | Chomedey | — |
| 2000-06-19 | 450-648 | not yet reported which blocks → | Rogers Communications Canada Inc. (Cable) | 8377 | St-Lambert | — |
| 2000-04-19 | 450-278 | not yet reported which blocks → | TELUS Mobility | 8303 | St-Hyacinthe | — |
| 2000-03-10 | 450-601 | not yet reported which blocks → | Bell Canada | 8050 | Valleyfield | — |
| 2000-02-25 | 450-550 | not yet reported which blocks → | Videotron Ltd. | 8306 | St-Lambert | — |
| 2000-02-25 | 450-552 | not yet reported which blocks → | Videotron Ltd. | 8306 | Boucherville | — |
| 2000-02-10 | 450-830 | not yet reported which blocks → | TELUS Mobility | 8303 | Granby | — |
| 2000-02-08 | 450-368 | not yet reported which blocks → | TELUS Mobility | 8303 | Lavaltrie | — |
| 2000-01-31 | 450-980 | not yet reported which blocks → | Rogers Communications Canada Inc. (Cable) | 8377 | Pont-Viau | — |
| — | 450-209 | not yet reported which blocks → | Fido Solutions Inc. | 5643 | St-Hyacinthe | — |
| — | 450-222 | not yet reported which blocks → | Bell Canada | 8050 | St-Calixte-de-Kilkenny | — |
| — | 450-223 | not yet reported which blocks → | Bell Canada | 8050 | St-Hyacinthe | — |
| — | 450-224 | not yet reported which blocks → | Bell Canada | 8050 | Shawbridge | — |
| — | 450-225 | not yet reported which blocks → | Bell Canada | 8050 | Beauharnois | — |
| — | 450-226 | not yet reported which blocks → | Bell Canada | 8050 | Morin Heights | — |
| — | 450-227 | not yet reported which blocks → | Bell Canada | 8050 | St-Sauveur | — |
| — | 450-228 | not yet reported which blocks → | Bell Canada | 8050 | Ste-Marguerite | — |
| — | 450-229 | not yet reported which blocks → | Bell Canada | 8050 | Ste-Adele | — |
| — | 450-240 | not yet reported which blocks → | Bell Canada | 8050 | St-Sauveur | — |
| — | 450-242 | not yet reported which blocks → | Bell Canada | 8050 | Knowlton | — |
| — | 450-243 | not yet reported which blocks → | Bell Canada | 8050 | Knowlton | — |
| — | 450-244 | not yet reported which blocks → | Telebec Ltee. | 8239 | Venise-en-Quebec | — |
| — | 450-245 | not yet reported which blocks → | Bell Canada | 8050 | Napierville | — |
| — | 450-246 | not yet reported which blocks → | Bell Canada | 8050 | Lacolle | — |
| — | 450-247 | not yet reported which blocks → | Bell Canada | 8050 | Hemmingford | — |
| — | 450-248 | not yet reported which blocks → | Bell Canada | 8050 | Bedford | — |
| — | 450-250 | not yet reported which blocks → | Groupe Maskatel Quebec LP | 8254 | St-Hyacinthe | — |
| — | 450-251 | not yet reported which blocks → | Groupe Maskatel Quebec LP | 8254 | St-Hyacinthe | — |
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.