NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 302-583

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 302-583 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
3
OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 2
MCIMETRO ACCESS TRANSMISSION SERVICES LLC 1
EXIANT COMMUNICATIONS 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
2010-09-03 302-583-0XXX 0000–0999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 DELAWARECY DE
2010-09-03 302-583-1XXX 1000–1999Assigned ONVOY, LLC - DE 969E DELAWARECY DE
2010-09-03 302-583-2XXX 2000–2999Assigned ONVOY, LLC - DE 969E DELAWARECY DE
2010-09-03 302-583-3XXX 3000–3999Assigned ONVOY, LLC - DE 969E DELAWARECY DE
— 302-583-4XXX 4000–4999Available DELAWARECY DE
2025-07-15 302-583-5XXX 5000–5999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 DELAWARECY DE
2025-10-03 302-583-6XXX 6000–6999Assigned OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 6626 DELAWARECY DE
2026-08-10 302-583-7XXX 7000–7999Assigned EXIANT COMMUNICATIONS LLC 114J DELAWARECY DE
— 302-583-8XXX 8000–8999Available DELAWARECY DE
— 302-583-9XXX 9000–9999Available DELAWARECY 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.