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 587
New assignments by month
Sep 2026
Aug 2026
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May 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 |
|---|---|---|---|---|---|---|
| 2018-04-25 | 587-641 | not yet reported which blocks → | IXICA Communications Inc. | 812H | High River | — |
| 2018-04-25 | 587-642 | not yet reported which blocks → | IXICA Communications Inc. | 812H | Hussar | — |
| 2018-04-25 | 587-648 | not yet reported which blocks → | IXICA Communications Inc. | 812H | Irricana | — |
| 2018-04-25 | 587-649 | not yet reported which blocks → | IXICA Communications Inc. | 812H | Kananaskis | — |
| 2018-04-25 | 587-663 | not yet reported which blocks → | IXICA Communications Inc. | 812H | Lake Louise | — |
| 2018-04-25 | 587-666 | not yet reported which blocks → | IXICA Communications Inc. | 812H | Edmonton | — |
| 2018-04-25 | 587-667 | not yet reported which blocks → | IXICA Communications Inc. | 812H | Langdon | — |
| 2018-03-19 | 587-916 | not yet reported which blocks → | Bell Mobility | 6574 | Calgary | — |
| 2018-03-19 | 587-934 | not yet reported which blocks → | Bell Mobility | 6574 | Calgary | — |
| 2018-02-01 | 587-915 | not yet reported which blocks → | Bell Mobility | 6574 | Calgary | — |
| 2018-01-23 | 587-568 | not yet reported which blocks → | Videotron Ltd. | 787G | Edmonton | — |
| 2018-01-23 | 587-643 | not yet reported which blocks → | TELUS Mobility | 8301 | Edmonton | — |
| 2018-01-23 | 587-664 | not yet reported which blocks → | Videotron Ltd. | 787G | Calgary | — |
| 2018-01-15 | 587-695 | not yet reported which blocks → | Shaw Telecom Inc. | 497E | Edmonton International Airport | — |
| 2017-11-23 | 587-900 | not yet reported which blocks → | Iristel Inc. | 154E | Langdon | — |
| 2017-11-22 | 587-571 | not yet reported which blocks → | Iristel Inc. | 154E | Grande Prairie | — |
| 2017-11-21 | 587-905 | not yet reported which blocks → | Iristel Inc. | 154E | Banff | — |
| 2017-11-14 | 587-634 | not yet reported which blocks → | Bell West Inc. | 2933 | Grimshaw | — |
| 2017-11-14 | 587-636 | not yet reported which blocks → | Bell West Inc. | 2933 | Morinville | — |
| 2017-11-14 | 587-637 | not yet reported which blocks → | Bell West Inc. | 2933 | Nanton | — |
| 2017-11-14 | 587-638 | not yet reported which blocks → | Bell West Inc. | 2933 | Picture Butte | — |
| 2017-11-14 | 587-639 | not yet reported which blocks → | Bell West Inc. | 2933 | Redwater | — |
| 2017-11-13 | 587-628 | not yet reported which blocks → | Bell West Inc. | 2933 | Acme | — |
| 2017-11-13 | 587-629 | not yet reported which blocks → | Bell West Inc. | 2933 | Devon | — |
| 2017-11-13 | 587-630 | not yet reported which blocks → | Bell West Inc. | 2933 | Didsbury | — |
| 2017-11-13 | 587-631 | not yet reported which blocks → | Bell West Inc. | 2933 | Forestburg | — |
| 2017-11-13 | 587-632 | not yet reported which blocks → | Bell West Inc. | 2933 | Fort Macleod | — |
| 2017-11-13 | 587-633 | not yet reported which blocks → | Bell West Inc. | 2933 | Gleichen | — |
| 2017-09-12 | 587-429 | not yet reported which blocks → | Videotron Ltd. | 787G | Calgary | — |
| 2017-09-12 | 587-566 | not yet reported which blocks → | Videotron Ltd. | 787G | Edmonton | — |
| 2017-08-31 | 587-609 | not yet reported which blocks → | Iristel Inc. | 154E | High River | — |
| 2017-08-31 | 587-612 | not yet reported which blocks → | Iristel Inc. | 154E | Lethbridge | — |
| 2017-08-30 | 587-603 | not yet reported which blocks → | Iristel Inc. | 154E | Anzac | — |
| 2017-08-30 | 587-608 | not yet reported which blocks → | Iristel Inc. | 154E | Drumheller | — |
| 2017-08-09 | 587-570 | not yet reported which blocks → | Iristel Inc. | 154E | St. Albert | — |
| 2017-08-03 | 587-859 | not yet reported which blocks → | TELUS Mobility | 8301 | Banff | — |
| 2017-07-31 | 587-942 | not yet reported which blocks → | Bell Mobility | 6574 | Calgary | — |
| 2017-07-13 | 587-906 | not yet reported which blocks → | Iristel Inc. | 154E | Leduc | — |
| 2017-06-26 | 587-627 | not yet reported which blocks → | Shaw Telecom Inc. | 497E | Stettler | — |
| 2017-06-21 | 587-625 | not yet reported which blocks → | TELUS | 8084 | Calgary | — |
| 2017-06-16 | 587-864 | not yet reported which blocks → | TELUS | 8084 | Calgary | — |
| 2017-06-15 | 587-909 | not yet reported which blocks → | Bell Mobility | 6574 | Calgary | — |
| 2017-06-08 | 587-713 | not yet reported which blocks → | Iristel Inc. | 154E | Sherwood Park | — |
| 2017-06-08 | 587-714 | not yet reported which blocks → | Iristel Inc. | 154E | Sherwood Park | — |
| 2017-06-02 | 587-705 | not yet reported which blocks → | Iristel Inc. | 154E | Medicine Hat | — |
| 2017-05-29 | 587-554 | not yet reported which blocks → | TELUS | 8084 | Medicine Hat | — |
| 2017-05-26 | 587-843 | not yet reported which blocks → | Iristel Inc. | 154E | Vegreville | — |
| 2017-05-25 | 587-735 | not yet reported which blocks → | TELUS | 8084 | Edmonton | — |
| 2017-04-11 | 587-940 | not yet reported which blocks → | Bell Mobility | 6574 | Calgary | — |
| 2017-04-07 | 587-449 | not yet reported which blocks → | TELUS | 8084 | Airdrie | — |
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.