NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 717-488

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 717-488 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 717 blocks

Most active assignees, all time — NPA 717
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 2
TERRA NOVA TELECOM INC. 1
TELEPORT COMMUNICATIONS AMERICA, LLC - PA 1
ONVOY SPECTRUM, LLC 1
METROPCS, INC. 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
2008-10-16 717-488-0XXX 0000–0999Assigned COMCAST IP PHONE, LLC 318J TERRE HILL PA
2009-04-01 717-488-1XXX 1000–1999Assigned CORE COMMUNICATIONS, INC. - PA 3806 TERRE HILL PA
2015-09-28 717-488-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - PA 4007 TERRE HILL PA
2024-08-27 717-488-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 TERRE HILL PA
2024-09-25 717-488-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H TERRE HILL PA
2025-06-23 717-488-5XXX 5000–5999Assigned TERRA NOVA TELECOM INC. 145J TERRE HILL PA
2017-02-03 717-488-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - PA 7309 TERRE HILL PA
2017-05-24 717-488-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J TERRE HILL PA
2025-01-29 717-488-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 TERRE HILL PA
2019-04-23 717-488-9XXX 9000–9999Assigned METROPCS, INC. 5562 TERRE HILL 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.