NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 317-830

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The ten 1,000-number thousand-blocks inside prefix 317-830 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 317 blocks

Most active assignees, all time — NPA 317
ONVOY, LLC - IN 3
METROPCS, INC. 3
TELEPORT COMMUNICATIONS AMERICA, LLC - IN 1
COMCAST IP PHONE, 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
2016-09-30 317-830-0XXX 0000–0999Assigned ONVOY, LLC - IN 097D WESTNEWTON IN
2016-12-12 317-830-1XXX 1000–1999Assigned METROPCS, INC. 5562 WESTNEWTON IN
2013-10-22 317-830-2XXX 2000–2999Assigned METROPCS, INC. 5562 WESTNEWTON IN
2014-09-25 317-830-3XXX 3000–3999Assigned ONVOY, LLC - IN 097D WESTNEWTON IN
— 317-830-4XXX 4000–4999Reserved TELEPORT COMMUNICATIONS AMERICA, LLC - IN 7314 WESTNEWTON IN
2014-09-25 317-830-5XXX 5000–5999Assigned ONVOY, LLC - IN 097D WESTNEWTON IN
2009-10-20 317-830-6XXX 6000–6999Assigned AT&T ENTERPRISES, LLC 516C WESTNEWTON IN
2014-05-29 317-830-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J WESTNEWTON IN
2007-07-19 317-830-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J WESTNEWTON IN
2015-09-24 317-830-9XXX 9000–9999Assigned METROPCS, INC. 5562 WESTNEWTON IN

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.