NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 320-217

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 320-217 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 320 blocks

Most active assignees, all time — NPA 320
CHARTER IP ENABLED SERVICES, LLC 4
NEW CINGULAR WIRELESS PCS, LLC - IL 3
METROPCS, INC. 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 1
BANDWIDTH.COM CLEC, LLC - MN 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
2022-02-18 320-217-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MN 5816 ST CLOUD MN
2004-01-14 320-217-1XXX 1000–1999Assigned METROPCS, INC. 5562 ST CLOUD MN
2006-08-18 320-217-2XXX 2000–2999Assigned CHARTER IP ENABLED SERVICES, LLC 792K ST CLOUD MN
2007-04-11 320-217-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ST CLOUD MN
2007-04-11 320-217-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ST CLOUD MN
2007-05-03 320-217-5XXX 5000–5999Assigned CHARTER IP ENABLED SERVICES, LLC 792K ST CLOUD MN
2007-01-18 320-217-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - MN 980E ST CLOUD MN
2007-01-18 320-217-7XXX 7000–7999Assigned CHARTER IP ENABLED SERVICES, LLC 792K ST CLOUD MN
2007-09-18 320-217-8XXX 8000–8999Assigned CHARTER IP ENABLED SERVICES, LLC 792K ST CLOUD MN
2008-01-02 320-217-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 ST CLOUD MN

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.