NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 360-707

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 360-707 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
ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 4
LEVEL 3 COMMUNICATIONS, LLC - WA 2
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 2
T-MOBILE USA, INC. 1
PEERLESS NETWORK OF WASHINGTON, 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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
— 360-707-0XXX 0000–0999Reserved ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 4423 MT VERNON WA
2010-01-12 360-707-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 MT VERNON WA
— 360-707-2XXX 2000–2999Reserved ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 4423 MT VERNON WA
2026-02-23 360-707-3XXX 3000–3999Assigned PEERLESS NETWORK OF WASHINGTON, LLC - WA 159F MT VERNON WA
2002-07-10 360-707-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - WA 6121 MT VERNON WA
— 360-707-5XXX 5000–5999Reserved ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 4423 MT VERNON WA
— 360-707-6XXX 6000–6999Reserved ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 4423 MT VERNON WA
2005-05-10 360-707-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - WA 6121 MT VERNON WA
2010-04-05 360-707-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 5812 MT VERNON WA
2024-01-22 360-707-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 MT VERNON 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.