NumberResearchRecent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/21/2026
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.
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| 2024-02-27 | 825-453 | not yet reported which blocks → | Bell West Inc. | 2933 | Calgary | — |
| 2019-12-19 | 825-443 | not yet reported which blocks → | Bell West Inc. | 2933 | Barrhead | — |
| 2019-12-19 | 825-446 | not yet reported which blocks → | Bell West Inc. | 2933 | Vulcan | — |
| 2019-10-23 | 825-286 | not yet reported which blocks → | Bell West Inc. | 2933 | La Crete | — |
| 2019-10-23 | 825-287 | not yet reported which blocks → | Bell West Inc. | 2933 | Red Earth | — |
| 2019-04-02 | 825-359 | not yet reported which blocks → | Bell West Inc. | 2933 | Rocky Mountain House | — |
| 2018-02-14 | 825-351 | not yet reported which blocks → | Bell West Inc. | 2933 | Calgary | — |
| 2018-02-14 | 825-352 | not yet reported which blocks → | Bell West Inc. | 2933 | Medicine Hat | — |
| 2018-02-14 | 825-353 | not yet reported which blocks → | Bell West Inc. | 2933 | Edmonton | — |
| 2018-02-14 | 825-354 | not yet reported which blocks → | Bell West Inc. | 2933 | Grande Prairie | — |
| 2018-02-14 | 825-355 | not yet reported which blocks → | Bell West Inc. | 2933 | Lethbridge | — |
| 2018-02-14 | 825-356 | not yet reported which blocks → | Bell West Inc. | 2933 | Red Deer | — |
| 2018-02-14 | 825-357 | not yet reported which blocks → | Bell West Inc. | 2933 | Fort McMurray | — |
| 2018-02-14 | 825-358 | not yet reported which blocks → | Bell West Inc. | 2933 | St. Albert | — |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.