NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 360-648

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 360-648 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 360 blocks

Most active assignees, all time — NPA 360
ONVOY, LLC - WA 4
CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 2
LEVEL 3 COMMUNICATIONS, LLC - WA 1
ELTOPIA COMMUNICATIONS, LLC - WA 1
COMCAST IP PHONE, LLC 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
— 360-648-0XXX 0000–0999Reserved CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 2408 OCOSTA WA
— 360-648-1XXX 1000–1999Available OCOSTA WA
— 360-648-2XXX 2000–2999Reserved CENTURYTEL OF WASHINGTON, INC. DBA CENTURYLINK 2408 OCOSTA WA
2005-05-31 360-648-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J OCOSTA WA
2009-03-26 360-648-4XXX 4000–4999Assigned ELTOPIA COMMUNICATIONS, LLC - WA 663D OCOSTA WA
2017-08-30 360-648-5XXX 5000–5999Assigned ONVOY, LLC - WA 483E OCOSTA WA
2013-11-26 360-648-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - WA 6121 OCOSTA WA
2008-08-08 360-648-7XXX 7000–7999Assigned ONVOY, LLC - WA 483E OCOSTA WA
2011-07-15 360-648-8XXX 8000–8999Assigned ONVOY, LLC - WA 483E OCOSTA WA
2021-05-28 360-648-9XXX 9000–9999Assigned ONVOY, LLC - WA 483E OCOSTA WA

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.