NumberResearchRecent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026
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 873
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
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Jan 2026
Dec 2025
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Oct 2025
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| 2020-06-16 | 873-639 | not yet reported which blocks → | TELUS Quebec | 2243 | Sherbrooke | — |
| 2020-06-15 | 873-636 | not yet reported which blocks → | TELUS Quebec | 2243 | Gatineau | — |
| 2020-06-15 | 873-637 | not yet reported which blocks → | TELUS Quebec | 2243 | St-Jovite | — |
| 2020-06-12 | 873-634 | not yet reported which blocks → | TELUS Quebec | 2243 | Ottawa-Hull | — |
| 2020-05-26 | 873-891 | not yet reported which blocks → | ISP Telecom Inc. | 4727 | Louiseville | — |
| 2020-05-26 | 873-892 | not yet reported which blocks → | ISP Telecom Inc. | 4727 | Laurierville | — |
| 2020-05-26 | 873-893 | not yet reported which blocks → | ISP Telecom Inc. | 4727 | Plessisville | — |
| 2020-05-26 | 873-897 | not yet reported which blocks → | ISP Telecom Inc. | 4727 | Asbestos | — |
| 2020-05-26 | 873-898 | not yet reported which blocks → | ISP Telecom Inc. | 4727 | Danville | — |
| 2020-05-21 | 873-879 | not yet reported which blocks → | ISP Telecom Inc. | 4727 | Chelsea | — |
| 2020-03-31 | 873-455 | not yet reported which blocks → | Bell Mobility | 6574 | Ottawa-Hull | — |
| 2020-02-07 | 873-670 | not yet reported which blocks → | Videotron Ltd. | 8306 | Amos | — |
| 2020-02-04 | 873-772 | not yet reported which blocks → | Iristel Inc. | 154E | Rouyn-Noranda | — |
| 2020-01-24 | 873-535 | not yet reported which blocks → | Videotron Ltd. | 8306 | Barraute | — |
| 2020-01-24 | 873-536 | not yet reported which blocks → | Videotron Ltd. | 8306 | Senneterre | — |
| 2020-01-24 | 873-537 | not yet reported which blocks → | Videotron Ltd. | 8306 | La Corne | — |
| 2020-01-24 | 873-538 | not yet reported which blocks → | Videotron Ltd. | 8306 | Taschereau | — |
| 2020-01-23 | 873-534 | not yet reported which blocks → | Videotron Ltd. | 8306 | Lebel-sur-Quevillon | — |
| 2020-01-08 | 873-344 | not yet reported which blocks → | Bell Mobility | 6574 | Drummondville | — |
| 2020-01-02 | 873-464 | not yet reported which blocks → | Videotron Ltd. | 8306 | Nantes | — |
| 2019-12-27 | 873-556 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Ottawa-Hull | — |
| 2019-12-27 | 873-557 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Ottawa-Hull | — |
| 2019-12-27 | 873-558 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Ottawa-Hull | — |
| 2019-12-27 | 873-577 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Ottawa-Hull | — |
| 2019-12-27 | 873-599 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Ottawa-Hull | — |
| 2019-12-27 | 873-677 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Ottawa-Hull | — |
| 2019-12-27 | 873-778 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Ottawa-Hull | — |
| 2019-12-27 | 873-833 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Ottawa-Hull | — |
| 2019-12-27 | 873-855 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Ottawa-Hull | — |
| 2019-12-27 | 873-877 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Ottawa-Hull | — |
| 2019-12-27 | 873-899 | not yet reported which blocks → | Rogers Communications Canada Inc. (Wireless) | 8821 | Ottawa-Hull | — |
| 2019-11-12 | 873-992 | not yet reported which blocks → | TELUS Mobility | 646F | Ottawa-Hull | — |
| 2019-11-06 | 873-629 | not yet reported which blocks → | Cooptel | 818D | St-Germain-de-Grantham | — |
| 2019-10-18 | 873-808 | not yet reported which blocks → | Iristel Inc. | 154E | Trois-Rivieres | — |
| 2019-10-07 | 873-554 | not yet reported which blocks → | Videotron Ltd. | 328F | Sherbrooke | — |
| 2019-10-07 | 873-559 | not yet reported which blocks → | Videotron Ltd. | 328F | Trois-Rivieres | — |
| 2019-10-01 | 873-304 | not yet reported which blocks → | Bell Canada | 8050 | Temiscaming | — |
| 2019-10-01 | 873-305 | not yet reported which blocks → | Bell Canada | 8050 | Grenville | — |
| 2019-09-24 | 873-462 | not yet reported which blocks → | Videotron Ltd. | 8306 | Bishopton | — |
| 2019-09-24 | 873-463 | not yet reported which blocks → | Videotron Ltd. | 8306 | Bury | — |
| 2019-08-16 | 873-460 | not yet reported which blocks → | Videotron Ltd. | 8306 | Woburn | — |
| 2019-08-16 | 873-461 | not yet reported which blocks → | Videotron Ltd. | 8306 | Frontenac | — |
| 2019-08-01 | 873-807 | not yet reported which blocks → | Iristel Inc. | 154E | Trois-Rivieres | — |
| 2019-06-26 | 873-531 | not yet reported which blocks → | TELUS Quebec | 2243 | Arthabaska | — |
| 2019-06-26 | 873-742 | not yet reported which blocks → | Iristel Inc. | 154E | Buckingham | — |
| 2019-06-18 | 873-628 | not yet reported which blocks → | Cooptel | 818D | Drummondville | — |
| 2019-05-03 | 873-728 | not yet reported which blocks → | Iristel Inc. | 154E | Amos | — |
| 2019-04-04 | 873-648 | not yet reported which blocks → | Videotron Ltd. | 328F | Ste-Agathe | — |
| 2019-04-04 | 873-649 | not yet reported which blocks → | Videotron Ltd. | 328F | Ste-Agathe | — |
| 2019-04-01 | 873-355 | not yet reported which blocks → | Bell Mobility | 6574 | Ottawa-Hull | — |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.