NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 317-933

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 317-933 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
BRIGHTSPEED OF INDIANA, LLC 4
ONVOY, LLC - IN 2
ONVOY SPECTRUM, LLC 1
LEVEL 3 COMMUNICATIONS, LLC - IN 1
HANCOCK COMMUNICATIONS, INC. - IN 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
— 317-933-0XXX 0000–0999Reserved BRIGHTSPEED OF INDIANA, LLC 0832 NINEVEH IN
2016-03-17 317-933-1XXX 1000–1999Assigned ONVOY, LLC - IN 097D NINEVEH IN
— 317-933-2XXX 2000–2999Reserved BRIGHTSPEED OF INDIANA, LLC 0832 NINEVEH IN
— 317-933-3XXX 3000–3999Reserved BRIGHTSPEED OF INDIANA, LLC 0832 NINEVEH IN
2017-06-28 317-933-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - IN 4803 NINEVEH IN
2018-07-16 317-933-5XXX 5000–5999Assigned HANCOCK COMMUNICATIONS, INC. - IN 7459 NINEVEH IN
2021-12-08 317-933-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H NINEVEH IN
2014-05-30 317-933-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J NINEVEH IN
2016-03-17 317-933-8XXX 8000–8999Assigned ONVOY, LLC - IN 097D NINEVEH IN
— 317-933-9XXX 9000–9999Reserved BRIGHTSPEED OF INDIANA, LLC 0832 NINEVEH 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.