Thousands-blocks in 302-509

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 302-509 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

NEW CINGULAR WIRELESS PCS, LLC - DC 5

ONVOY, LLC - DE 2

IP HORIZON LLC 1

CORETEL DELAWARE, INC. - 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

Recent thousands-block assignments
Assigned	Thousands-block	Last 4 digits	Status	Assignee	OCN	Rate center	State
2016-02-11	302-509-0XXX	0000–0999	Assigned	IP HORIZON LLC	515J	HOCKESSIN	DE
2015-03-24	302-509-1XXX	1000–1999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	HOCKESSIN	DE
2016-02-12	302-509-2XXX	2000–2999	Assigned	ONVOY, LLC - DE	969E	HOCKESSIN	DE
2015-02-25	302-509-3XXX	3000–3999	Assigned	COMCAST IP PHONE, LLC	318J	HOCKESSIN	DE
2016-02-12	302-509-4XXX	4000–4999	Assigned	ONVOY, LLC - DE	969E	HOCKESSIN	DE
2017-08-14	302-509-5XXX	5000–5999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	HOCKESSIN	DE
2018-05-11	302-509-6XXX	6000–6999	Assigned	CORETEL DELAWARE, INC. - DE	1991	HOCKESSIN	DE
2017-04-10	302-509-7XXX	7000–7999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	HOCKESSIN	DE
2015-11-02	302-509-8XXX	8000–8999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	HOCKESSIN	DE
2015-09-03	302-509-9XXX	9000–9999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	HOCKESSIN	DE

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.