NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 920-463

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 920-463 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 920 blocks

Most active assignees, all time — NPA 920
MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS 3
ONVOY, LLC - WI 2
TELEPORT COMMUNICATIONS AMERICA, LLC WI 1
LEVEL 3 COMMUNICATIONS, LLC - WI 1
CHARTER IP ENABLED 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
— 920-463-0XXX 0000–0999Reserved CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 6508 RANDOLPH WI
2013-07-11 920-463-1XXX 1000–1999Assigned CHARTER IP ENABLED SERVICES, LLC 792K RANDOLPH WI
2021-05-04 920-463-2XXX 2000–2999Assigned ONVOY, LLC - WI 225C RANDOLPH WI
2018-10-03 920-463-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - WI 007F RANDOLPH WI
2019-08-01 920-463-4XXX 4000–4999Assigned ONVOY, LLC - WI 225C RANDOLPH WI
2014-12-02 920-463-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - WI 5489 RANDOLPH WI
2019-09-30 920-463-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC WI 7216 RANDOLPH WI
2009-12-22 920-463-7XXX 7000–7999Assigned MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS 698E RANDOLPH WI
2009-12-22 920-463-8XXX 8000–8999Assigned MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS 698E RANDOLPH WI
2009-12-22 920-463-9XXX 9000–9999Assigned MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS 698E RANDOLPH WI

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.