NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 425-908

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 425-908 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 425 blocks

Most active assignees, all time — NPA 425
ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 6
T-MOBILE USA, INC. 1
ELTOPIA COMMUNICATIONS, LLC - WA 1
COMCAST IP PHONE, LLC 1
BANDWIDTH.COM CLEC, 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
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Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2011-12-22 425-908-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - WA 006F BOTHELL WA
— 425-908-1XXX 1000–1999Reserved ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 4324 BOTHELL WA
— 425-908-2XXX 2000–2999Reserved ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 4324 BOTHELL WA
— 425-908-3XXX 3000–3999Reserved ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 4324 BOTHELL WA
2003-03-12 425-908-4XXX 4000–4999Assigned ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 4324 BOTHELL WA
2003-03-12 425-908-5XXX 5000–5999Assigned ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 4324 BOTHELL WA
2003-03-12 425-908-6XXX 6000–6999Assigned ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER 4324 BOTHELL WA
2003-02-11 425-908-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J BOTHELL WA
2020-06-24 425-908-8XXX 8000–8999Assigned ELTOPIA COMMUNICATIONS, LLC - WA 663D BOTHELL WA
2010-11-22 425-908-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 BOTHELL 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.