NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 715-510

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 715-510 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 715 blocks

Most active assignees, all time — NPA 715
5
ONVOY SPECTRUM, LLC 1
INTEGRATED PATH COMMUNICATIONS, LLC - WI 1
CHARTER IP ENABLED SERVICES, LLC 1
CENTURYLINK COMMUNICATIONS, 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
— 715-510-0XXX 0000–0999Assigned CHARTER IP ENABLED SERVICES, LLC 792K NEKOOSA WI
2018-07-02 715-510-1XXX 1000–1999Assigned INTEGRATED PATH COMMUNICATIONS, LLC - WI 766H NEKOOSA WI
2013-08-07 715-510-2XXX 2000–2999Assigned CENTRAL STATE TEL. CO 0859 NEKOOSA WI
— 715-510-3XXX 3000–3999Available NEKOOSA WI
— 715-510-4XXX 4000–4999Available NEKOOSA WI
— 715-510-5XXX 5000–5999Available NEKOOSA WI
— 715-510-6XXX 6000–6999Available NEKOOSA WI
2017-09-20 715-510-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J NEKOOSA WI
2024-02-23 715-510-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H NEKOOSA WI
— 715-510-9XXX 9000–9999Available NEKOOSA 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.