NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 828-633

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 828-633 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 828 blocks

Most active assignees, all time — NPA 828
CHARTER IP ENABLED SERVICES, LLC 5
LEVEL 3 COMMUNICATIONS, LLC - NC 2
TERRA NOVA TELECOM INC. 1
ONVOY, LLC - NC 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC 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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2005-07-08 828-633-0XXX 0000–0999Assigned CHARTER IP ENABLED SERVICES, LLC 792K ENKACANDLR NC
2006-12-21 828-633-1XXX 1000–1999Assigned CHARTER IP ENABLED SERVICES, LLC 792K ENKACANDLR NC
2008-08-25 828-633-2XXX 2000–2999Assigned CHARTER IP ENABLED SERVICES, LLC 792K ENKACANDLR NC
2010-02-10 828-633-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NC 7835 ENKACANDLR NC
— 828-633-4XXX 4000–4999Reserved LEVEL 3 COMMUNICATIONS, LLC - NC 3235 ENKACANDLR NC
2011-05-25 828-633-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - NC 3235 ENKACANDLR NC
2012-06-26 828-633-6XXX 6000–6999Assigned CHARTER IP ENABLED SERVICES, LLC 792K ENKACANDLR NC
2016-03-15 828-633-7XXX 7000–7999Assigned CHARTER IP ENABLED SERVICES, LLC 792K ENKACANDLR NC
2023-08-10 828-633-8XXX 8000–8999Assigned ONVOY, LLC - NC 638E ENKACANDLR NC
2026-07-14 828-633-9XXX 9000–9999Assigned TERRA NOVA TELECOM INC. 145J ENKACANDLR NC

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.