NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 360-329

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 360-329 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
LEVEL 3 COMMUNICATIONS, LLC - WA 3
TELEPORT COMMUNICATIONS AMERICA, LLC - WA 1
PEERLESS NETWORK OF WASHINGTON, LLC - WA 1
NEW CINGULAR WIRELESS PCS, LLC 1
MCIMETRO ACCESS TRANSMISSION SERVICES 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
— 360-329-0XXX 0000–0999Reserved TELEPORT COMMUNICATIONS AMERICA, LLC - WA 7146 PORT ORCH WA
2005-08-05 360-329-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J PORT ORCH WA
2009-01-05 360-329-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - WA 006F PORT ORCH WA
2007-09-14 360-329-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PORT ORCH WA
2002-12-12 360-329-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - WA 6121 PORT ORCH WA
2002-09-11 360-329-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PORT ORCH WA
2005-05-16 360-329-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - WA 6121 PORT ORCH WA
2005-05-16 360-329-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - WA 6121 PORT ORCH WA
2009-03-18 360-329-8XXX 8000–8999Assigned ELTOPIA COMMUNICATIONS, LLC - WA 663D PORT ORCH WA
2015-11-24 360-329-9XXX 9000–9999Assigned PEERLESS NETWORK OF WASHINGTON, LLC - WA 159F PORT ORCH 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.