Recent thousands-block assignments

5 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

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

Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.

Most active assignees, last 30 days — NPA 585

EXIANT COMMUNICATIONS LLC 3

TC SYSTEMS, INC. - NY 1

NEW CINGULAR WIRELESS PCS, LLC - DC 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
2003-04-23	585-617-1XXX	1000–1999	Assigned	PAETEC ITEL, LLC	829J	SPENCERPT	NY
2003-04-22	585-214-9XXX	9000–9999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-04-22	585-590-0XXX	0000–0999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY	6959	ALBION	NY
2003-04-22	585-610-0XXX	0000–0999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY	6959	WELLSVILLE	NY
2003-04-22	585-719-5XXX	5000–5999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-04-22	585-719-6XXX	6000–6999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-04-22	585-719-7XXX	7000–7999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-04-22	585-735-5XXX	5000–5999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY	6959	MIDDLEPORT	NY
2003-04-09	585-350-5XXX	5000–5999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-04-09	585-350-6XXX	6000–6999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-04-09	585-502-3XXX	3000–3999	Assigned	TC SYSTEMS, INC. - NY	7140	LE ROY	NY
2003-04-09	585-507-0XXX	0000–0999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY	6959	ROCHESTER	NY
2003-03-19	585-507-7XXX	7000–7999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY	6959	ROCHESTER	NY
2003-03-17	585-919-9XXX	9000–9999	Assigned	METROPCS, INC.	5562	CANANDAGUA	NY
2003-03-10	585-530-0XXX	0000–0999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-03-10	585-530-7XXX	7000–7999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-03-10	585-530-9XXX	9000–9999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-03-04	585-224-5XXX	5000–5999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-03-04	585-224-6XXX	6000–6999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-02-25	585-978-0XXX	0000–0999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	ROCHESTER	NY
2003-02-25	585-978-1XXX	1000–1999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	ROCHESTER	NY
2003-02-14	585-267-9XXX	9000–9999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	EROCHESTER	NY
2003-02-11	585-957-3XXX	3000–3999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-02-10	585-957-0XXX	0000–0999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-02-10	585-957-1XXX	1000–1999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-02-10	585-957-2XXX	2000–2999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-02-10	585-957-4XXX	4000–4999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-02-10	585-957-5XXX	5000–5999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-02-10	585-957-6XXX	6000–6999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-02-10	585-957-8XXX	8000–8999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-02-10	585-966-9XXX	9000–9999	Assigned	OMNIPOINT COMMUNICATIONS, INC. - NY	6622	ROCHESTER	NY
2003-02-07	585-899-8XXX	8000–8999	Assigned	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY	7133	EROCHESTER	NY
2002-10-21	585-765-3XXX	3000–3999	Assigned	VERIZON NEW YORK, INC.	9104	LYNDONVL	NY
2002-10-15	585-899-5XXX	5000–5999	Assigned	LEVEL 3 TELECOM OF NEW YORK, LP - NY	8473	EROCHESTER	NY
2002-10-09	585-302-4XXX	4000–4999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - NY	4006	PERRY	NY
2002-10-09	585-419-4XXX	4000–4999	Assigned	FRONTIER TELEPHONE OF ROCHESTER, INC.	0121	EROCHESTER	NY
2002-10-09	585-502-4XXX	4000–4999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - NY	4006	LE ROY	NY
2002-10-09	585-612-4XXX	4000–4999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - NY	4006	DANSVILLE	NY
2002-10-09	585-899-1XXX	1000–1999	Assigned	FRONTIER TELEPHONE OF ROCHESTER, INC.	0121	EROCHESTER	NY
2002-10-09	585-919-3XXX	3000–3999	Assigned	FRONTIER TELEPHONE OF ROCHESTER, INC.	0121	CANANDAGUA	NY
2002-06-10	585-368-2XXX	2000–2999	Assigned	PAETEC ITEL, LLC	829J	ROCHESTER	NY
2002-06-10	585-368-5XXX	5000–5999	Assigned	PAETEC ITEL, LLC	829J	ROCHESTER	NY
2002-03-12	585-496-3XXX	3000–3999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - NY	4006	CHAFFEE	NY
2002-03-06	585-617-2XXX	2000–2999	Assigned	PAETEC ITEL, LLC	829J	SPENCERPT	NY
2002-03-06	585-617-9XXX	9000–9999	Assigned	PAETEC ITEL, LLC	829J	SPENCERPT	NY
2002-03-02	585-300-4XXX	4000–4999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - NY	4006	BATAVIA	NY
2002-02-14	585-899-7XXX	7000–7999	Assigned	PAETEC ITEL, LLC	829J	EROCHESTER	NY
2002-02-05	585-869-1XXX	1000–1999	Assigned	PAETEC ITEL, LLC	829J	VICTOR	NY
2001-12-13	585-899-3XXX	3000–3999	Assigned	FRONTIER TELEPHONE OF ROCHESTER, INC.	0121	EROCHESTER	NY
2001-11-30	585-966-2XXX	2000–2999	Assigned	PAETEC ITEL, LLC	829J	ROCHESTER	NY

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.