NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 920-941

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 920-941 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
T-MOBILE USA, INC. 4
ONVOY, LLC - WI 2
2
ONVOY SPECTRUM, LLC 1
NEW CINGULAR WIRELESS PCS, LLC - IL 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
— 920-941-0XXX 0000–0999Reserved T-MOBILE USA, INC. 6529 WATERTOWN WI
2021-06-01 920-941-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H WATERTOWN WI
2021-03-15 920-941-2XXX 2000–2999Assigned ONVOY, LLC - WI 225C WATERTOWN WI
2021-03-15 920-941-3XXX 3000–3999Assigned ONVOY, LLC - WI 225C WATERTOWN WI
2023-07-28 920-941-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 WATERTOWN WI
— 920-941-5XXX 5000–5999Available WATERTOWN WI
2020-09-09 920-941-6XXX 6000–6999Assigned T-MOBILE USA, INC. 6529 WATERTOWN WI
— 920-941-7XXX 7000–7999Available WATERTOWN WI
2020-09-09 920-941-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 WATERTOWN WI
— 920-941-9XXX 9000–9999Reserved T-MOBILE USA, INC. 6529 WATERTOWN 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.