NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 814-317

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 814-317 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 814 blocks

Most active assignees, all time — NPA 814
LEVEL 3 COMMUNICATIONS, LLC - PA 3
IDT AMERICA, CORP. - PA 2
BANDWIDTH.COM CLEC, LLC - PA 2
WINDSTREAM D & E SYSTEMS, INC. - PA 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 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
2005-08-19 814-317-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - PA 4007 HOLLIDYSBG PA
— 814-317-1XXX 1000–1999Reserved LEVEL 3 COMMUNICATIONS, LLC - PA 4007 HOLLIDYSBG PA
2005-04-29 814-317-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - PA 4007 HOLLIDYSBG PA
2011-03-02 814-317-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 7434 HOLLIDYSBG PA
2007-07-02 814-317-4XXX 4000–4999Assigned WINDSTREAM D & E SYSTEMS, INC. - PA 4114 HOLLIDYSBG PA
2008-01-23 814-317-5XXX 5000–5999Assigned IDT AMERICA, CORP. - PA 213C HOLLIDYSBG PA
2008-11-24 814-317-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F HOLLIDYSBG PA
2005-06-10 814-317-7XXX 7000–7999Assigned IDT AMERICA, CORP. - PA 213C HOLLIDYSBG PA
2009-03-10 814-317-8XXX 8000–8999Assigned CORE COMMUNICATIONS, INC. - PA 3806 HOLLIDYSBG PA
2010-05-26 814-317-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - PA 002F HOLLIDYSBG PA

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.