Recent thousands-block assignments

5 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026

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 240

BANDWIDTH.COM CLEC, LLC - MD 3

OPENTACT INC. 1

ONVOY, LLC - MD 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
2018-02-09	240-734-5XXX	5000–5999	Assigned	PEERLESS NETWORK OF MARYLAND, LLC	568G	SMITHSBURG	MD
2018-02-09	240-816-8XXX	8000–8999	Assigned	PEERLESS NETWORK OF MARYLAND, LLC	568G	KEEDYSVL	MD
2018-02-07	240-549-8XXX	8000–8999	Assigned	PEERLESS NETWORK OF MARYLAND, LLC	568G	FREDERICK	MD
2018-02-02	240-588-3XXX	3000–3999	Assigned	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	GRANTSVL	MD
2018-01-30	240-549-7XXX	7000–7999	Assigned	NUSO, LLC	551G	FREDERICK	MD
2018-01-25	240-970-6XXX	6000–6999	Assigned	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	WSNGTNZN12	MD
2018-01-23	240-771-5XXX	5000–5999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	POOLESVL	MD
2018-01-12	240-572-1XXX	1000–1999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	LEONARDTN	MD
2018-01-12	240-579-8XXX	8000–8999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	ASHTON236	MD
2018-01-12	240-579-9XXX	9000–9999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	ASHTON236	MD
2018-01-12	240-584-9XXX	9000–9999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	LAUREL236	MD
2018-01-11	240-521-6XXX	6000–6999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	LAUREL236	MD
2018-01-11	240-521-7XXX	7000–7999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	LAUREL236	MD
2018-01-11	240-521-8XXX	8000–8999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	LAUREL236	MD
2018-01-11	240-521-9XXX	9000–9999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	LAUREL236	MD
2018-01-09	240-913-4XXX	4000–4999	Assigned	COMCAST IP PHONE, LLC	318J	DAMASCS240	MD
2018-01-08	240-971-8XXX	8000–8999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	FREDERICK	MD
2018-01-08	240-971-9XXX	9000–9999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	FREDERICK	MD
2017-12-21	240-576-0XXX	0000–0999	Assigned	VONAGE AMERICA LLC	197D	HAGERSTOWN	MD
2017-12-21	240-719-5XXX	5000–5999	Assigned	ONVOY, LLC - MD	876D	WSHNGTNZN5	MD
2017-12-21	240-719-6XXX	6000–6999	Assigned	ONVOY, LLC - MD	876D	WSHNGTNZN5	MD
2017-12-20	240-267-9XXX	9000–9999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	HAGERSTOWN	MD
2017-12-19	240-655-5XXX	5000–5999	Assigned	ONVOY, LLC - MD	876D	KITZMILLER	MD
2017-12-15	240-557-2XXX	2000–2999	Assigned	ONVOY, LLC - MD	876D	WSHNGTNZN6	MD
2017-12-15	240-557-3XXX	3000–3999	Assigned	ONVOY, LLC - MD	876D	WSHNGTNZN6	MD
2017-12-11	240-572-8XXX	8000–8999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	LEONARDTN	MD
2017-12-11	240-572-9XXX	9000–9999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	LEONARDTN	MD
2017-12-11	240-806-8XXX	8000–8999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	INDIANHEAD	MD
2017-12-07	240-805-7XXX	7000–7999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	GAITHERSBG	MD
2017-11-24	240-918-2XXX	2000–2999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	ASHTON236	MD
2017-11-24	240-918-3XXX	3000–3999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	ASHTON236	MD
2017-11-24	240-918-4XXX	4000–4999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	ASHTON236	MD
2017-11-16	240-484-7XXX	7000–7999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	LAUREL236	MD
2017-11-16	240-484-8XXX	8000–8999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	LAUREL236	MD
2017-11-15	240-572-0XXX	0000–0999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	LEONARDTN	MD
2017-11-15	240-690-5XXX	5000–5999	Assigned	ONVOY, LLC - MD	876D	GAITHERSBG	MD
2017-11-15	240-690-6XXX	6000–6999	Assigned	ONVOY, LLC - MD	876D	GAITHERSBG	MD
2017-11-14	240-775-3XXX	3000–3999	Assigned	ONVOY, LLC - MD	876D	WESTERNPT	MD
2017-11-14	240-998-1XXX	1000–1999	Assigned	ONVOY, LLC - MD	876D	HANCOCK	MD
2017-10-16	240-549-5XXX	5000–5999	Assigned	ONVOY, LLC - MD	876D	FREDERICK	MD
2017-10-16	240-549-6XXX	6000–6999	Assigned	ONVOY, LLC - MD	876D	FREDERICK	MD
2017-10-10	240-260-3XXX	3000–3999	Assigned	COMCAST IP PHONE, LLC	318J	WSNG236Z14	MD
2017-10-04	240-569-7XXX	7000–7999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - MD	6119	FLINTSTONE	MD
2017-09-28	240-906-3XXX	3000–3999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	WSHNGTNZN4	MD
2017-09-26	240-569-0XXX	0000–0999	Assigned	BANDWIDTH.COM CLEC, LLC - MD	071F	FLINTSTONE	MD
2017-09-21	240-484-4XXX	4000–4999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	LAUREL236	MD
2017-09-21	240-484-5XXX	5000–5999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	LAUREL236	MD
2017-09-21	240-484-6XXX	6000–6999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	LAUREL236	MD
2017-09-19	240-307-0XXX	0000–0999	Assigned	BANDWIDTH.COM CLEC, LLC - MD	071F	EMMITSBURG	MD
2017-09-19	240-856-8XXX	8000–8999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	LAUREL238	MD

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.