NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 228-222

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 228-222 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 228 blocks

Most active assignees, all time — NPA 228
LEVEL 3 COMMUNICATIONS, LLC - MS 4
ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 2
PAETEC ITEL, LLC 1
MCC TELEPHONY LLC 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS 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
2003-09-16 228-222-0XXX 0000–0999Assigned ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 PASSCHRSTN MS
2004-10-04 228-222-1XXX 1000–1999Assigned ELISKA WIRELESS VENTURES SUBSIDIARY I, LLC 6916 PASSCHRSTN MS
2006-08-23 228-222-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - MS 5178 PASSCHRSTN MS
2006-08-23 228-222-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - MS 5178 PASSCHRSTN MS
— 228-222-4XXX 4000–4999Reserved LEVEL 3 COMMUNICATIONS, LLC - MS 5178 PASSCHRSTN MS
2006-08-23 228-222-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - MS 5178 PASSCHRSTN MS
2005-04-19 228-222-6XXX 6000–6999Assigned PAETEC ITEL, LLC 829J PASSCHRSTN MS
2008-02-01 228-222-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS 6396 PASSCHRSTN MS
2018-09-07 228-222-8XXX 8000–8999Assigned AIRUS, INC. - MS 459H PASSCHRSTN MS
2012-09-05 228-222-9XXX 9000–9999Assigned MCC TELEPHONY LLC 593K PASSCHRSTN MS

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.