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
2017-04-11	240-557-0XXX	0000–0999	Assigned	TELNYX LLC	073H	WSHNGTNZN6	MD
2017-03-30	240-531-2XXX	2000–2999	Assigned	COMCAST IP PHONE, LLC	318J	WSHNGTNZN3	MD
2017-03-27	240-651-7XXX	7000–7999	Assigned	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD	7228	FREDERICK	MD
2017-03-21	240-719-7XXX	7000–7999	Assigned	COMCAST IP PHONE, LLC	318J	WSHNGTNZN5	MD
2017-03-20	240-790-8XXX	8000–8999	Assigned	COMCAST IP PHONE, LLC	318J	WSNG236Z13	MD
2017-03-16	240-557-9XXX	9000–9999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	WSHNGTNZN6	MD
2017-03-15	240-860-3XXX	3000–3999	Assigned	METROPCS, INC.	5562	CUMBERLAND	MD
2017-03-14	240-609-2XXX	2000–2999	Assigned	METROPCS, INC.	5562	CUMBERLAND	MD
2017-03-09	240-531-0XXX	0000–0999	Assigned	TELNYX LLC	073H	WSHNGTNZN3	MD
2017-03-09	240-665-0XXX	0000–0999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	WSNGTNZN10	MD
2017-03-09	240-665-1XXX	1000–1999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	WSNGTNZN10	MD
2017-03-09	240-877-8XXX	8000–8999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	FREDERICK	MD
2017-03-02	240-256-6XXX	6000–6999	Assigned	TELNYX LLC	073H	LEONARDTN	MD
2017-03-02	240-585-8XXX	8000–8999	Assigned	TELNYX LLC	073H	WALDORF	MD
2017-03-02	240-621-8XXX	8000–8999	Assigned	TELNYX LLC	073H	WSNGTNZN11	MD
2017-03-02	240-636-6XXX	6000–6999	Assigned	TELNYX LLC	073H	LAUREL236	MD
2017-03-02	240-690-0XXX	0000–0999	Assigned	TELNYX LLC	073H	GAITHERSBG	MD
2017-03-02	240-719-0XXX	0000–0999	Assigned	TELNYX LLC	073H	WSHNGTNZN5	MD
2017-03-02	240-828-1XXX	1000–1999	Assigned	TELNYX LLC	073H	WSHNGTNZN4	MD
2017-03-02	240-918-6XXX	6000–6999	Assigned	TELNYX LLC	073H	ASHTON236	MD
2017-02-21	240-828-8XXX	8000–8999	Assigned	COMCAST IP PHONE, LLC	318J	WSHNGTNZN4	MD
2017-02-20	240-302-1XXX	1000–1999	Assigned	METROPCS, INC.	5562	LAUREL236	MD
2017-02-20	240-302-3XXX	3000–3999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	LAUREL236	MD
2017-02-15	240-690-4XXX	4000–4999	Assigned	COMCAST IP PHONE, LLC	318J	GAITHERSBG	MD
2017-02-10	240-877-3XXX	3000–3999	Assigned	METROPCS, INC.	5562	FREDERICK	MD
2017-02-09	240-825-5XXX	5000–5999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	WSHNGTNZN4	MD
2017-02-09	240-856-1XXX	1000–1999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	LAUREL238	MD
2017-02-09	240-856-2XXX	2000–2999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	LAUREL238	MD
2017-02-09	240-856-4XXX	4000–4999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	LAUREL238	MD
2017-02-07	240-915-2XXX	2000–2999	Assigned	COMCAST IP PHONE, LLC	318J	NEW MARKET	MD
2017-02-06	240-860-9XXX	9000–9999	Assigned	PEERLESS NETWORK OF MARYLAND, LLC	568G	CUMBERLAND	MD
2017-02-01	240-850-9XXX	9000–9999	Assigned	METROPCS, INC.	5562	HAGERSTOWN	MD
2017-01-27	240-665-6XXX	6000–6999	Assigned	PAETEC ITEL, LLC	829J	WSNGTNZN10	MD
2017-01-16	240-906-6XXX	6000–6999	Assigned	TELEPORT COMMUNICATIONS AMERICA, LLC - DC	7529	WSHNGTNZN4	MD
2017-01-13	240-690-1XXX	1000–1999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	GAITHERSBG	MD
2017-01-13	240-904-6XXX	6000–6999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	LAUREL238	MD
2017-01-13	240-904-7XXX	7000–7999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	LAUREL238	MD
2017-01-12	240-496-4XXX	4000–4999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	LEONARDTN	MD
2017-01-12	240-496-6XXX	6000–6999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	LEONARDTN	MD
2017-01-12	240-496-7XXX	7000–7999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	LEONARDTN	MD
2017-01-10	240-665-8XXX	8000–8999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	WSNGTNZN10	MD
2017-01-10	240-665-9XXX	9000–9999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	WSNGTNZN10	MD
2017-01-05	240-302-0XXX	0000–0999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	LAUREL236	MD
2017-01-05	240-453-1XXX	1000–1999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	WSNGTNZN10	MD
2017-01-05	240-618-9XXX	9000–9999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	WSNGTNZN10	MD
2017-01-05	240-870-0XXX	0000–0999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	MIDDLETOWN	MD
2017-01-05	240-907-7XXX	7000–7999	Assigned	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	WSNGTNZN10	MD
2016-12-30	240-929-7XXX	7000–7999	Assigned	METROPCS, INC.	5562	WSNG236Z14	MD
2016-12-05	240-549-2XXX	2000–2999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD	6395	FREDERICK	MD
2016-11-22	240-719-3XXX	3000–3999	Assigned	COMCAST IP PHONE, LLC	318J	WSHNGTNZN5	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.