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.
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| 2010-08-26 | 306-305 | not yet reported which blocks → | TELUS Mobility | 8303 | Coronach | — |
| 2010-08-26 | 306-309 | not yet reported which blocks → | TELUS Mobility | 8303 | Fort Qu'Appelle | — |
| 2010-08-26 | 306-312 | not yet reported which blocks → | TELUS Mobility | 8303 | Gravelbourg | — |
| 2010-08-26 | 306-318 | not yet reported which blocks → | TELUS Mobility | 8303 | Humboldt | — |
| 2010-04-09 | 306-580 | not yet reported which blocks → | TELUS Mobility | 8303 | Regina | — |
| 2010-04-09 | 306-850 | not yet reported which blocks → | TELUS Mobility | 8303 | Saskatoon | — |
| 2009-10-29 | 306-207 | not yet reported which blocks → | TELUS Mobility | 8303 | La Ronge | — |
| 2008-12-01 | 306-209 | not yet reported which blocks → | TELUS Mobility | 8303 | Regina | — |
| 2006-10-05 | 306-313 | not yet reported which blocks → | TELUS Mobility | 8303 | Moose Jaw | — |
| 2006-10-05 | 306-314 | not yet reported which blocks → | TELUS Mobility | 8303 | Prince Albert | — |
| 2006-10-05 | 306-315 | not yet reported which blocks → | TELUS Mobility | 8303 | Swift Current | — |
| 2006-10-05 | 306-316 | not yet reported which blocks → | TELUS Mobility | 8303 | Yorkton | — |
| 2006-10-05 | 306-317 | not yet reported which blocks → | TELUS Mobility | 8303 | North Battleford | — |
| 2005-11-23 | 306-716 | not yet reported which blocks → | TELUS Mobility | 8303 | Saskatoon | — |
| 2005-07-20 | 306-208 | not yet reported which blocks → | TELUS Mobility | 8303 | North Battleford | — |
| 2001-09-07 | 306-603 | not yet reported which blocks → | TELUS Mobility | 8303 | Lloydminster | — |
| 1999-07-28 | 306-717 | not yet reported which blocks → | TELUS Mobility | 8303 | Saskatoon | — |
| 1999-07-28 | 306-737 | not yet reported which blocks → | TELUS Mobility | 8303 | Regina | — |
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.