NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 505-744

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026

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

The ten 1,000-number thousand-blocks inside prefix 505-744 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 505 blocks

Most active assignees, all time — NPA 505
4
ONVOY, LLC - NM 2
TERRA NOVA TELECOM INC. 1
TELEPORT COMMUNICATIONS AMERICA NM-LLC 1
LEVEL 3 COMMUNICATIONS, LLC - NM 1
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 thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
— 505-744-0XXX 0000–0999Available RAMAH NM
— 505-744-1XXX 1000–1999Available RAMAH NM
2025-06-16 505-744-2XXX 2000–2999Assigned TERRA NOVA TELECOM INC. 145J RAMAH NM
2023-01-25 505-744-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - NM 5470 RAMAH NM
2020-06-05 505-744-4XXX 4000–4999Assigned FRACTEL, LLC 965H RAMAH NM
2020-11-20 505-744-5XXX 5000–5999Assigned ONVOY, LLC - NM 206F RAMAH NM
2020-08-26 505-744-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA NM-LLC 450C RAMAH NM
2020-11-20 505-744-7XXX 7000–7999Assigned ONVOY, LLC - NM 206F RAMAH NM
— 505-744-8XXX 8000–8999Available RAMAH NM
— 505-744-9XXX 9000–9999Available RAMAH NM

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.