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
2016-03-07 873-738 Iristel Inc. 154E Buckingham
2016-03-04 587-854 Iristel Inc. 154E Stettler
2016-03-02 506-717 Iristel Inc. 154E Saint John
2016-03-02 587-815 Iristel Inc. 154E Red Deer
2016-03-02 778-721 Iristel Inc. 154E Kelowna
2016-02-26 226-805 Iristel Inc. 154E Windsor
2016-02-26 249-701 Iristel Inc. 154E Parry Sound
2016-02-26 902-901 Iristel Inc. 154E Windsor
2016-02-25 873-804 Iristel Inc. 154E Trois-Rivieres
2016-02-19 226-842 Iristel Inc. 154E Sarnia
2016-02-19 249-493 Iristel Inc. 154E Sault Ste. Marie
2016-02-19 249-494 Iristel Inc. 154E Peterborough
2016-02-19 437-371 Iristel Inc. 154E Toronto
2016-02-19 579-793 Iristel Inc. 154E Sorel
2016-02-19 581-812 Iristel Inc. 154E Quebec
2016-02-19 807-701 Iristel Inc. 154E Thunder Bay
2016-02-19 873-737 Iristel Inc. 154E Shawinigan
2016-02-18 226-273 Iristel Inc. 154E London
2016-02-18 226-775 Iristel Inc. 154E Stratford
2016-02-18 249-805 Iristel Inc. 154E Sudbury
2016-02-18 365-653 Iristel Inc. 154E St. Catharines-Thorold
2016-02-18 581-802 Iristel Inc. 154E Thetford Mines
2016-02-18 587-814 Iristel Inc. 154E Medicine Hat
2016-02-16 226-770 Iristel Inc. 154E Guelph
2016-02-16 226-797 Iristel Inc. 154E Chatham
2016-02-16 226-841 Iristel Inc. 154E Wingham
2016-02-16 226-890 Iristel Inc. 154E Hespeler
2016-02-16 249-315 Iristel Inc. 154E Barrie
2016-02-16 343-301 Iristel Inc. 154E Cornwall
2016-02-16 343-302 Iristel Inc. 154E Kingston
2016-02-16 365-652 Iristel Inc. 154E Welland
2016-02-16 587-813 Iristel Inc. 154E Lethbridge
2016-02-16 639-395 Iristel Inc. 154E Watrous
2016-02-16 782-826 Iristel Inc. 154E Weymouth
2016-02-12 226-641 Iristel Inc. 154E Tillsonburg
2016-02-12 226-840 Iristel Inc. 154E Walkerton
2016-02-12 343-304 Iristel Inc. 154E Vankleek Hill
2016-02-12 431-301 Iristel Inc. 154E Starbuck
2016-02-12 431-302 Iristel Inc. 154E Stonewall
2016-02-12 506-713 Iristel Inc. 154E St. George
2016-02-12 506-714 Iristel Inc. 154E St. Stephen
2016-02-12 506-715 Iristel Inc. 154E Shippagan
2016-02-12 506-716 Iristel Inc. 154E Tracadie
2016-02-12 587-847 Iristel Inc. 154E Valleyview
2016-02-12 587-848 Iristel Inc. 154E Strathmore
2016-02-12 587-856 Iristel Inc. 154E Vauxhall
2016-02-12 587-857 Iristel Inc. 154E Veteran
2016-02-12 587-858 Iristel Inc. 154E Vulcan
2016-02-12 709-910 Iristel Inc. 154E Upper Island Cove
2016-02-12 778-906 Iristel Inc. 154E Squamish

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.