Recent prefix assignments

17 prefixes assigned in December 2025 · 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, December 2025
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 Clear
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Recent NPA-NXX prefix assignments
AssignedNPA-NXXAssigneeOCNRate centerState
2025-12-18 438-960 Iristel Inc. 154E Montreal
2025-12-18 438-961 Iristel Inc. 154E Montreal
2025-12-18 438-962 Iristel Inc. 154E Montreal
2025-12-17 367-509 Iristel Inc. 154E Baie-Comeau (Hauterive)
2025-12-17 474-942 Iristel Inc. 154E Regina
2025-12-15 367-474 Iristel Inc. 154E Donnacona
2025-12-15 367-874 Iristel Inc. 154E Chandler
2025-12-15 942-231 Iristel Inc. 154E Toronto
2025-12-15 942-232 Iristel Inc. 154E Toronto
2025-12-10 365-674 Iristel Inc. 154E St. Catharines-Thorold
2025-12-10 382-802 Iristel Inc. 154E Stratford
2025-12-03 249-721 Iristel Inc. 154E Orillia
2025-12-03 548-591 Iristel Inc. 154E Sarnia
2025-12-01 365-478 Iristel Inc. 154E Markham
2025-12-01 365-479 Iristel Inc. 154E Markham
2025-12-01 365-486 Iristel Inc. 154E Markham
2025-12-01 365-487 Iristel Inc. 154E Markham

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.