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
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Oct 2025
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| 2016-02-12 | 587-848 | not yet reported which blocks → | Iristel Inc. | 154E | Strathmore | — |
| 2016-02-12 | 587-856 | not yet reported which blocks → | Iristel Inc. | 154E | Vauxhall | — |
| 2016-02-12 | 587-857 | not yet reported which blocks → | Iristel Inc. | 154E | Veteran | — |
| 2016-02-12 | 587-858 | not yet reported which blocks → | Iristel Inc. | 154E | Vulcan | — |
| 2016-02-11 | 587-494 | not yet reported which blocks → | TELUS | 8084 | Taber | — |
| 2016-02-11 | 587-849 | not yet reported which blocks → | Iristel Inc. | 154E | Spirit River | — |
| 2016-02-11 | 587-850 | not yet reported which blocks → | Iristel Inc. | 154E | Ponoka | — |
| 2016-02-11 | 587-851 | not yet reported which blocks → | Iristel Inc. | 154E | Rocky Mountain House | — |
| 2016-02-11 | 587-852 | not yet reported which blocks → | Iristel Inc. | 154E | Sexsmith | — |
| 2016-02-11 | 587-853 | not yet reported which blocks → | Iristel Inc. | 154E | Spruce Grove | — |
| 2016-02-11 | 587-875 | not yet reported which blocks → | Iristel Inc. | 154E | Pincher Creek | — |
| 2016-02-10 | 587-493 | not yet reported which blocks → | TELUS | 8084 | Cochrane | — |
| 2016-02-10 | 587-872 | not yet reported which blocks → | Iristel Inc. | 154E | Olds | — |
| 2016-02-10 | 587-874 | not yet reported which blocks → | Iristel Inc. | 154E | Oyen | — |
| 2016-02-08 | 587-871 | not yet reported which blocks → | Iristel Inc. | 154E | Langdon | — |
| 2016-02-05 | 587-207 | not yet reported which blocks → | Iristel Inc. | 154E | Hanna | — |
| 2016-02-05 | 587-208 | not yet reported which blocks → | Iristel Inc. | 154E | High River | — |
| 2016-02-05 | 587-209 | not yet reported which blocks → | Iristel Inc. | 154E | Hinton | — |
| 2016-02-05 | 587-870 | not yet reported which blocks → | Iristel Inc. | 154E | Jasper | — |
| 2016-02-04 | 587-419 | not yet reported which blocks → | Iristel Inc. | 154E | Drumheller | — |
| 2016-02-04 | 587-809 | not yet reported which blocks → | Iristel Inc. | 154E | Fox Creek | — |
| 2016-02-04 | 587-812 | not yet reported which blocks → | Iristel Inc. | 154E | Grande Cache | — |
| 2016-02-03 | 587-417 | not yet reported which blocks → | Iristel Inc. | 154E | Claresholm | — |
| 2016-02-03 | 587-418 | not yet reported which blocks → | Iristel Inc. | 154E | Coaldale | — |
| 2016-02-03 | 587-807 | not yet reported which blocks → | Iristel Inc. | 154E | Canmore | — |
| 2016-02-01 | 587-507 | not yet reported which blocks → | Iristel Inc. | 154E | Blackfalds | — |
| 2016-02-01 | 587-806 | not yet reported which blocks → | Iristel Inc. | 154E | Anzac | — |
| 2016-02-01 | 587-907 | not yet reported which blocks → | Iristel Inc. | 154E | Banff | — |
| 2016-01-27 | 587-386 | not yet reported which blocks → | Bragg Communications Inc. | 4878 | Camrose | — |
| 2016-01-27 | 587-451 | not yet reported which blocks → | TELUS | 8084 | Barrhead | — |
| 2016-01-27 | 587-491 | not yet reported which blocks → | TELUS | 8084 | Cold Lake | — |
| 2016-01-27 | 587-492 | not yet reported which blocks → | TELUS | 8084 | Lloydminster | — |
| 2016-01-13 | 587-604 | not yet reported which blocks → | Iristel Inc. | 154E | Fort McMurray | — |
| 2016-01-07 | 587-602 | not yet reported which blocks → | Iristel Inc. | 154E | Airdrie | — |
| 2016-01-04 | 587-965 | not yet reported which blocks → | Bell Mobility | 6574 | Calgary | — |
| 2015-12-24 | 587-804 | not yet reported which blocks → | Iristel Inc. | 154E | Vegreville | — |
| 2015-12-22 | 587-972 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Calgary | — |
| 2015-12-22 | 587-973 | not yet reported which blocks → | Fido Solutions Inc. | 5643 | Calgary | — |
| 2015-12-16 | 587-622 | not yet reported which blocks → | TELUS | 8084 | Westlock | — |
| 2015-12-11 | 587-621 | not yet reported which blocks → | TELUS | 8084 | Blackfalds | — |
| 2015-12-10 | 587-619 | not yet reported which blocks → | TELUS | 8084 | Calgary | — |
| 2015-12-10 | 587-620 | not yet reported which blocks → | TELUS | 8084 | Calgary | — |
| 2015-12-04 | 587-904 | not yet reported which blocks → | Bell Mobility | 6574 | Calgary | — |
| 2015-12-01 | 587-490 | not yet reported which blocks → | TELUS | 8084 | Edmonton | — |
| 2015-11-30 | 587-452 | not yet reported which blocks → | TELUS | 8084 | Fort McMurray | — |
| 2015-11-30 | 587-453 | not yet reported which blocks → | TELUS | 8084 | Leduc | — |
| 2015-11-30 | 587-533 | not yet reported which blocks → | TELUS | 8084 | Calgary | — |
| 2015-11-30 | 587-534 | not yet reported which blocks → | TELUS | 8084 | Calgary | — |
| 2015-11-25 | 587-826 | not yet reported which blocks → | Distributel | 081E | Fort McMurray | — |
| 2015-11-25 | 587-827 | not yet reported which blocks → | Distributel | 081E | Sherwood Park | — |
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.