Recent prefix assignments

2 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.

Most active assignees, last 30 days
New assignments by month Sep 2026 Aug 2026 Jul 2026 Jun 2026 May 2026 Apr 2026 Mar 2026 Feb 2026 Jan 2026 Dec 2025 Nov 2025 Oct 2025
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Recent NPA-NXX prefix assignments
AssignedNPA-NXXAssigneeOCNRate centerState
2017-11-27 438-602 Iristel Inc. 154E Montreal
2017-11-27 438-603 Iristel Inc. 154E Montreal
2017-11-23 343-312 Iristel Inc. 154E Jockvale
2017-11-23 579-803 Iristel Inc. 154E Lachute
2017-11-23 579-804 Iristel Inc. 154E Laval-Est
2017-11-23 579-805 Iristel Inc. 154E Laval-Ouest
2017-11-23 587-900 Iristel Inc. 154E Langdon
2017-11-23 639-387 Iristel Inc. 154E Langham
2017-11-23 782-829 Iristel Inc. 154E Montague
2017-11-23 905-367 Iristel Inc. 154E Niagara-On-The-Lake
2017-11-22 226-771 Iristel Inc. 154E Guelph
2017-11-22 587-571 Iristel Inc. 154E Grande Prairie
2017-11-21 226-408 Iristel Inc. 154E Goderich
2017-11-21 236-359 Iristel Inc. 154E Aldergrove
2017-11-21 343-309 Iristel Inc. 154E Cornwall
2017-11-21 506-809 Iristel Inc. 154E Campbellton
2017-11-21 548-483 Iristel Inc. 154E Kitchener-Waterloo
2017-11-21 548-484 Iristel Inc. 154E Kitchener-Waterloo
2017-11-21 587-905 Iristel Inc. 154E Banff
2017-11-21 778-413 Iristel Inc. 154E Chilliwack
2017-11-21 873-729 Iristel Inc. 154E Amos
2017-11-20 365-695 Iristel Inc. 154E Markham
2017-11-20 365-696 Iristel Inc. 154E Markham
2017-11-20 365-697 Iristel Inc. 154E Markham
2017-11-20 365-698 Iristel Inc. 154E Markham
2017-11-20 778-924 Iristel Inc. 154E Burns Lake
2017-11-20 778-946 Iristel Inc. 154E Kelowna
2017-11-06 365-599 Iristel Inc. 154E Thornhill
2017-11-01 873-739 Iristel Inc. 154E Buckingham
2017-10-30 249-201 Iristel Inc. 154E Espanola
2017-10-06 581-502 Iristel Inc. 154E Levis
2017-10-06 778-949 Iristel Inc. 154E Dawson Creek
2017-10-06 825-256 Iristel Inc. 154E Calgary
2017-10-04 365-604 Iristel Inc. 154E Oakville
2017-10-04 581-204 Iristel Inc. 154E Alma
2017-10-04 581-707 Iristel Inc. 154E Quebec
2017-10-04 581-708 Iristel Inc. 154E Chicoutimi
2017-10-04 581-808 Iristel Inc. 154E St-Tite-des-Caps
2017-10-04 639-388 Iristel Inc. 154E Rosthern
2017-10-03 365-603 Iristel Inc. 154E Niagara Falls
2017-10-03 438-790 Iristel Inc. 154E Montreal
2017-10-03 438-791 Iristel Inc. 154E Montreal
2017-09-22 437-637 Iristel Inc. 154E Toronto
2017-09-22 647-363 Iristel Inc. 154E Toronto
2017-09-06 226-917 Iristel Inc. 154E Orangeville
2017-09-06 639-389 Iristel Inc. 154E Davidson
2017-09-06 778-900 Iristel Inc. 154E New Westminster
2017-09-01 236-360 Iristel Inc. 154E Aldergrove
2017-09-01 778-601 Iristel Inc. 154E Hope
2017-08-31 587-609 Iristel Inc. 154E High River

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.