NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 630-277

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 630-277 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 630 blocks

Most active assignees, all time — NPA 630
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6
PAETEC ITEL, LLC 1
ONVOY, LLC 1
MCC TELEPHONY LLC 1
BANDWIDTH.COM CLEC, LLC - IL 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
2009-10-19 630-277-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 SUGARGROVE IL
2009-10-19 630-277-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 SUGARGROVE IL
2009-10-19 630-277-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 SUGARGROVE IL
2010-07-07 630-277-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 SUGARGROVE IL
2009-11-05 630-277-4XXX 4000–4999Assigned PAETEC ITEL, LLC 829J SUGARGROVE IL
2010-03-05 630-277-5XXX 5000–5999Assigned ONVOY, LLC 224C SUGARGROVE IL
2010-05-21 630-277-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 SUGARGROVE IL
2010-07-07 630-277-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 6333 SUGARGROVE IL
2010-05-18 630-277-8XXX 8000–8999Assigned MCC TELEPHONY LLC 593K SUGARGROVE IL
2010-02-10 630-277-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - IL 984E SUGARGROVE IL

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.