NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 501-322

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 501-322 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 501 blocks

Most active assignees, all time — NPA 501
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 7
ONVOY, LLC - AR 3
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
— 501-322-0XXX 0000–0999Reserved CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 6805 KENSETT AR
2009-10-30 501-322-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 6805 KENSETT AR
2010-06-28 501-322-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 6805 KENSETT AR
2011-10-11 501-322-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 6805 KENSETT AR
2012-01-05 501-322-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 6805 KENSETT AR
2012-01-12 501-322-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 6805 KENSETT AR
2020-09-16 501-322-6XXX 6000–6999Assigned ONVOY, LLC - AR 348F KENSETT AR
2020-01-07 501-322-7XXX 7000–7999Assigned ONVOY, LLC - AR 348F KENSETT AR
2020-01-07 501-322-8XXX 8000–8999Assigned ONVOY, LLC - AR 348F KENSETT AR
— 501-322-9XXX 9000–9999Reserved CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AR 6805 KENSETT AR

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.