NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 717-781

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 717-781 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
NEW CINGULAR WIRELESS PCS, LLC - DC 5
D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 2
VERIZON NORTH, INC. - PA 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 1
LEVEL 3 COMMUNICATIONS, 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
2007-12-19 717-781-0XXX 0000–0999Assigned D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 6846 YORK PA
— 717-781-1XXX 1000–1999Reserved VERIZON NORTH, INC. - PA 0169 YORK PA
2005-01-05 717-781-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - PA 4007 YORK PA
2005-04-11 717-781-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 YORK PA
2005-04-11 717-781-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 YORK PA
2005-04-11 717-781-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 YORK PA
2005-04-11 717-781-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 YORK PA
2005-04-11 717-781-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 YORK PA
2005-08-25 717-781-8XXX 8000–8999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 7434 YORK PA
2007-12-19 717-781-9XXX 9000–9999Assigned D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 6846 YORK 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.