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 604
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 |
|---|---|---|---|---|---|---|
| — | 604-230 | not yet reported which blocks → | TELUS Mobility | 8301 | Vancouver | — |
| — | 604-231 | not yet reported which blocks → | TELUS | 8086 | Richmond | — |
| — | 604-232 | not yet reported which blocks → | TELUS | 8086 | Richmond | — |
| — | 604-233 | not yet reported which blocks → | TELUS | 8086 | Richmond | — |
| — | 604-240 | not yet reported which blocks → | TELUS Mobility | 8301 | Vancouver | — |
| — | 604-241 | not yet reported which blocks → | TELUS | 8086 | Richmond | — |
| — | 604-244 | not yet reported which blocks → | TELUS | 8086 | Richmond | — |
| — | 604-248 | not yet reported which blocks → | Zayo Canada Inc. | 8304 | Richmond | — |
| — | 604-250 | not yet reported which blocks → | TELUS Mobility | 8301 | Vancouver | — |
| — | 604-251 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-252 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-253 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-254 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-255 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-257 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-258 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-261 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-263 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-264 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-266 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-267 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-268 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-269 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-270 | not yet reported which blocks → | TELUS | 8086 | Richmond | — |
| — | 604-271 | not yet reported which blocks → | TELUS | 8086 | Richmond | — |
| — | 604-272 | not yet reported which blocks → | TELUS | 8086 | Richmond | — |
| — | 604-273 | not yet reported which blocks → | TELUS | 8086 | Richmond | — |
| — | 604-274 | not yet reported which blocks → | TELUS | 8086 | Richmond | — |
| — | 604-275 | not yet reported which blocks → | TELUS | 8086 | Richmond | — |
| — | 604-276 | not yet reported which blocks → | TELUS | 8086 | Richmond | — |
| — | 604-277 | not yet reported which blocks → | TELUS | 8086 | Richmond | — |
| — | 604-278 | not yet reported which blocks → | TELUS | 8086 | Richmond | — |
| — | 604-279 | not yet reported which blocks → | TELUS | 8086 | Richmond | — |
| — | 604-280 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-290 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-291 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-292 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-293 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-294 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-296 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-297 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-298 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-299 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-301 | not yet reported which blocks → | TELUS | 8086 | Vancouver | — |
| — | 604-302 | not yet reported which blocks → | TELUS Mobility | 8301 | Abbotsford | — |
| — | 604-303 | not yet reported which blocks → | TELUS | 8086 | Richmond | — |
| — | 604-304 | not yet reported which blocks → | Rogers Communications Canada Inc. (Cable) | 8377 | Richmond | — |
| — | 604-306 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | New Westminster | — |
| — | 604-307 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Vancouver | — |
| — | 604-308 | not yet reported which blocks → | TELUS Mobility | 8301 | Aldergrove | — |
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.