Thousands-blocks in 360-342

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 360-342 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 TELECOM OF WASHINGTON, LLC - WA 2

LEVEL 3 COMMUNICATIONS, LLC - WA 2

BANDWIDTH.COM CLEC, LLC - WA 2

STRATUS NETWORKS 1

ONVOY, LLC - WA 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

Recent thousands-block assignments
Assigned	Thousands-block	Last 4 digits	Status	Assignee	OCN	Rate center	State
2005-11-10	360-342-0XXX	0000–0999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WA	6121	BATTLEGRND	WA
—	360-342-1XXX	1000–1999	Reserved	LEVEL 3 TELECOM OF WASHINGTON, LLC - WA	7455	BATTLEGRND	WA
2005-11-10	360-342-2XXX	2000–2999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WA	6121	BATTLEGRND	WA
2021-03-16	360-342-3XXX	3000–3999	Assigned	STRATUS NETWORKS	495J	BATTLEGRND	WA
2010-06-25	360-342-4XXX	4000–4999	Assigned	BANDWIDTH.COM CLEC, LLC - WA	006F	BATTLEGRND	WA
—	360-342-5XXX	5000–5999	Reserved	LEVEL 3 TELECOM OF WASHINGTON, LLC - WA	7455	BATTLEGRND	WA
2011-06-09	360-342-6XXX	6000–6999	Assigned	BANDWIDTH.COM CLEC, LLC - WA	006F	BATTLEGRND	WA
2014-09-26	360-342-7XXX	7000–7999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	BATTLEGRND	WA
2013-10-17	360-342-8XXX	8000–8999	Assigned	COMCAST IP PHONE, LLC	318J	BATTLEGRND	WA
2016-03-08	360-342-9XXX	9000–9999	Assigned	ONVOY, LLC - WA	483E	BATTLEGRND	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.