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 905
New assignments by month
Sep 2026
Aug 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 |
|---|---|---|---|---|---|---|
| — | 905-612 | not yet reported which blocks → | Bell Canada | 8051 | Malton | — |
| — | 905-615 | not yet reported which blocks → | Bell Canada | 8051 | Cooksville | — |
| — | 905-616 | not yet reported which blocks → | Fido Solutions Inc. | 5643 | Oakville | — |
| — | 905-617 | not yet reported which blocks → | Fido Solutions Inc. | 5643 | Oakville | — |
| — | 905-619 | not yet reported which blocks → | Bell Canada | 8051 | Ajax-Pickering | — |
| — | 905-621 | not yet reported which blocks → | TELUS Mobility | 8303 | Ajax-Pickering | — |
| — | 905-623 | not yet reported which blocks → | Bell Canada | 8051 | Bowmanville | — |
| — | 905-624 | not yet reported which blocks → | Bell Canada | 8051 | Cooksville | — |
| — | 905-625 | not yet reported which blocks → | Bell Canada | 8051 | Cooksville | — |
| — | 905-626 | not yet reported which blocks → | TELUS Mobility | 8303 | Ajax-Pickering | — |
| — | 905-627 | not yet reported which blocks → | Bell Canada | 8051 | Dundas | — |
| — | 905-628 | not yet reported which blocks → | Bell Canada | 8051 | Dundas | — |
| — | 905-629 | not yet reported which blocks → | Bell Canada | 8051 | Cooksville | — |
| — | 905-630 | not yet reported which blocks → | TELUS Mobility | 8303 | Burlington | — |
| — | 905-631 | not yet reported which blocks → | Bell Canada | 8051 | Burlington | — |
| — | 905-632 | not yet reported which blocks → | Bell Canada | 8051 | Burlington | — |
| — | 905-633 | not yet reported which blocks → | Bell Canada | 8051 | Burlington | — |
| — | 905-634 | not yet reported which blocks → | Bell Canada | 8051 | Burlington | — |
| — | 905-637 | not yet reported which blocks → | Bell Canada | 8051 | Burlington | — |
| — | 905-638 | not yet reported which blocks → | TELUS Mobility | 8303 | Burlington | — |
| — | 905-639 | not yet reported which blocks → | Bell Canada | 8051 | Burlington | — |
| — | 905-640 | not yet reported which blocks → | Bell Canada | 8051 | Stouffville | — |
| — | 905-641 | not yet reported which blocks → | Bell Canada | 8051 | St. Catharines-Thorold | — |
| — | 905-642 | not yet reported which blocks → | Bell Canada | 8051 | Stouffville | — |
| — | 905-643 | not yet reported which blocks → | Bell Canada | 8051 | Winona | — |
| — | 905-644 | not yet reported which blocks → | Bell Canada | 8051 | Oshawa | — |
| — | 905-645 | not yet reported which blocks → | Bell Canada | 8051 | Hamilton | — |
| — | 905-646 | not yet reported which blocks → | Bell Canada | 8051 | St. Catharines-Thorold | — |
| — | 905-648 | not yet reported which blocks → | Bell Canada | 8051 | Ancaster | — |
| — | 905-649 | not yet reported which blocks → | Bell Canada | 8051 | Claremont | — |
| — | 905-650 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | St. Catharines-Thorold | — |
| — | 905-651 | not yet reported which blocks → | TELUS Mobility | 8303 | St. Catharines-Thorold | — |
| — | 905-652 | not yet reported which blocks → | Rogers Communications Canada Inc. (Cable) | 743B | Woodbridge | — |
| — | 905-653 | not yet reported which blocks → | Rogers Communications Canada Inc. (Cable) | 8377 | Maple | — |
| — | 905-654 | not yet reported which blocks → | Rogers Communications Canada Inc. (Cable) | 8377 | Brampton | — |
| — | 905-655 | not yet reported which blocks → | Bell Canada | 8051 | Brooklin | — |
| — | 905-659 | not yet reported which blocks → | Bell Canada | 8051 | Freelton | — |
| — | 905-660 | not yet reported which blocks → | Bell Canada | 8051 | Thornhill | — |
| — | 905-661 | not yet reported which blocks → | Bell Canada | 8051 | Hamilton | — |
| — | 905-662 | not yet reported which blocks → | Bell Canada | 8051 | Stoney Creek | — |
| — | 905-664 | not yet reported which blocks → | Bell Canada | 8051 | Stoney Creek | — |
| — | 905-665 | not yet reported which blocks → | Bell Canada | 8051 | Whitby | — |
| — | 905-666 | not yet reported which blocks → | Bell Canada | 8051 | Whitby | — |
| — | 905-667 | not yet reported which blocks → | Zayo Canada Inc. | 8304 | Hamilton | — |
| — | 905-668 | not yet reported which blocks → | Bell Canada | 8051 | Whitby | — |
| — | 905-669 | not yet reported which blocks → | Bell Canada | 8051 | Thornhill | — |
| — | 905-670 | not yet reported which blocks → | Bell Canada | 8051 | Malton | — |
| — | 905-671 | not yet reported which blocks → | Bell Canada | 8051 | Malton | — |
| — | 905-672 | not yet reported which blocks → | Bell Canada | 8051 | Malton | — |
| — | 905-673 | not yet reported which blocks → | Bell Canada | 8051 | Malton | — |
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.