NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 302-581

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026

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

The ten 1,000-number thousand-blocks inside prefix 302-581 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 302 blocks

Most active assignees, all time — NPA 302
ONVOY, LLC - DE 3
PAETEC ITEL, LLC 2
CORETEL DELAWARE, INC. - DE 2
MCC TELEPHONY OF THE MID-ATLANTIC, LLC - DE 1
COMCAST IP PHONE, 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
2006-07-14 302-581-0XXX 0000–0999Assigned COMCAST IP PHONE, LLC 318J OCEAN VIEW DE
2013-10-09 302-581-1XXX 1000–1999Assigned ONVOY, LLC - DE 969E OCEAN VIEW DE
2019-06-06 302-581-2XXX 2000–2999Assigned MCC TELEPHONY OF THE MID-ATLANTIC, LLC - DE 826F OCEAN VIEW DE
2006-09-27 302-581-3XXX 3000–3999Assigned PAETEC ITEL, LLC 829J OCEAN VIEW DE
2009-03-06 302-581-4XXX 4000–4999Assigned CORETEL DELAWARE, INC. - DE 1991 OCEAN VIEW DE
2019-07-01 302-581-5XXX 5000–5999Assigned CORETEL DELAWARE, INC. - DE 1991 OCEAN VIEW DE
— 302-581-6XXX 6000–6999Reserved PAETEC ITEL, LLC 829J OCEAN VIEW DE
2016-02-16 302-581-7XXX 7000–7999Assigned ONVOY, LLC - DE 969E OCEAN VIEW DE
2016-02-16 302-581-8XXX 8000–8999Assigned ONVOY, LLC - DE 969E OCEAN VIEW DE
2009-03-24 302-581-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - DE 073F OCEAN VIEW DE

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.