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
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Oct 2025
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| — | 450-370 | not yet reported which blocks → | Bell Canada | 8050 | Valleyfield | — |
| — | 450-371 | not yet reported which blocks → | Bell Canada | 8050 | Valleyfield | — |
| — | 450-372 | not yet reported which blocks → | Bell Canada | 8050 | Granby | — |
| — | 450-373 | not yet reported which blocks → | Bell Canada | 8050 | Valleyfield | — |
| — | 450-375 | not yet reported which blocks → | Bell Canada | 8050 | Granby | — |
| — | 450-377 | not yet reported which blocks → | Bell Canada | 8050 | Valleyfield | — |
| — | 450-378 | not yet reported which blocks → | Bell Canada | 8050 | Granby | — |
| — | 450-379 | not yet reported which blocks → | Bell Canada | 8050 | St-Paul-D'Abbotsford | — |
| — | 450-405 | not yet reported which blocks → | Bell Canada | 8050 | Granby | — |
| — | 450-419 | not yet reported which blocks → | Bell Canada | 8050 | Ste-Therese | — |
| — | 450-424 | not yet reported which blocks → | Bell Canada | 8050 | Vaudreuil | — |
| — | 450-427 | not yet reported which blocks → | Bell Canada | 8050 | Ste-Martine | — |
| — | 450-429 | not yet reported which blocks → | Bell Canada | 8050 | Beauharnois | — |
| — | 450-430 | not yet reported which blocks → | Bell Canada | 8050 | Ste-Therese | — |
| — | 450-431 | not yet reported which blocks → | Bell Canada | 8050 | St-Jerome | — |
| — | 450-432 | not yet reported which blocks → | Bell Canada | 8050 | St-Jerome | — |
| — | 450-433 | not yet reported which blocks → | Bell Canada | 8050 | Ste-Therese | — |
| — | 450-434 | not yet reported which blocks → | Bell Canada | 8050 | Ste-Therese | — |
| — | 450-435 | not yet reported which blocks → | Bell Canada | 8050 | Ste-Therese | — |
| — | 450-436 | not yet reported which blocks → | Bell Canada | 8050 | St-Jerome | — |
| — | 450-437 | not yet reported which blocks → | Bell Canada | 8050 | Ste-Therese | — |
| — | 450-438 | not yet reported which blocks → | Bell Canada | 8050 | St-Jerome | — |
| — | 450-439 | not yet reported which blocks → | Bell Canada | 8050 | St-Lin | — |
| — | 450-441 | not yet reported which blocks → | Bell Canada | 8050 | St-Bruno | — |
| — | 450-442 | not yet reported which blocks → | Bell Canada | 8050 | Longueuil | — |
| — | 450-443 | not yet reported which blocks → | Bell Canada | 8050 | St-Lambert | — |
| — | 450-444 | not yet reported which blocks → | Bell Canada | 8050 | Laprairie | — |
| — | 450-445 | not yet reported which blocks → | Bell Canada | 8050 | St-Lambert | — |
| — | 450-446 | not yet reported which blocks → | Bell Canada | 8050 | Beloeil | — |
| — | 450-447 | not yet reported which blocks → | Bell Canada | 8050 | Chambly | — |
| — | 450-448 | not yet reported which blocks → | Bell Canada | 8050 | Longueuil | — |
| — | 450-449 | not yet reported which blocks → | Bell Canada | 8050 | Boucherville | — |
| — | 450-451 | not yet reported which blocks → | Bell Canada | 8050 | Rigaud | — |
| — | 450-452 | not yet reported which blocks → | Bell Canada | 8050 | Les Cedres | — |
| — | 450-454 | not yet reported which blocks → | Bell Canada | 8050 | St-Remi | — |
| — | 450-455 | not yet reported which blocks → | Bell Canada | 8050 | Vaudreuil | — |
| — | 450-456 | not yet reported which blocks → | Bell Canada | 8050 | St-Clet | — |
| — | 450-458 | not yet reported which blocks → | Bell Canada | 8050 | Hudson | — |
| — | 450-459 | not yet reported which blocks → | Bell Canada | 8050 | Ste-Marthe | — |
| — | 450-460 | not yet reported which blocks → | Bell Canada | 8050 | Marieville | — |
| — | 450-461 | not yet reported which blocks → | Bell Canada | 8050 | St-Bruno | — |
| — | 450-462 | not yet reported which blocks → | Bell Canada | 8050 | St-Lambert | — |
| — | 450-463 | not yet reported which blocks → | Bell Canada | 8050 | Longueuil | — |
| — | 450-464 | not yet reported which blocks → | Bell Canada | 8050 | Beloeil | — |
| — | 450-465 | not yet reported which blocks → | Bell Canada | 8050 | St-Lambert | — |
| — | 450-466 | not yet reported which blocks → | Bell Canada | 8050 | St-Lambert | — |
| — | 450-467 | not yet reported which blocks → | Bell Canada | 8050 | Beloeil | — |
| — | 450-468 | not yet reported which blocks → | Bell Canada | 8050 | Longueuil | — |
| — | 450-469 | not yet reported which blocks → | Bell Canada | 8050 | St-Cesaire | — |
| — | 450-470 | not yet reported which blocks → | Bell Canada | 8050 | Le Gardeur | — |
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.