Recent thousands-block assignments

21 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026

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 580

ONVOY, LLC - OK 11

NEW CINGULAR WIRELESS PCS, LLC - IL 7

TELNYX LLC 1

T-MOBILE USA, INC. 1

OPENTACT INC. 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
2014-03-11	580-665-9XXX	9000–9999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	ADA	OK
2014-03-11	580-668-8XXX	8000–8999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	WILSON	OK
2014-03-10	580-303-1XXX	1000–1999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	ELK CITY	OK
2014-03-10	580-540-0XXX	0000–0999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	ENID	OK
2014-02-28	580-317-0XXX	0000–0999	Assigned	UNITED STATES CELLULAR - OK	6272	HUGO	OK
2014-02-27	580-755-0XXX	0000–0999	Assigned	UNITED STATES CELLULAR - OK	6272	RANDLETT	OK
2014-02-25	580-257-1XXX	1000–1999	Assigned	UNITED STATES CELLULAR - OK	6272	TISHOMINGO	OK
2014-02-25	580-816-2XXX	2000–2999	Assigned	UNITED STATES CELLULAR - OK	6272	WEATHERFD	OK
2014-02-24	580-352-7XXX	7000–7999	Assigned	BANDWIDTH.COM CLEC, LLC - OK	119F	PONCA CITY	OK
2014-02-21	580-264-6XXX	6000–6999	Assigned	UNITED STATES CELLULAR - OK	6272	HEALDTON	OK
2014-02-12	580-589-7XXX	7000–7999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - OK	5257	SO COLDWTR	OK
2014-02-10	580-599-6XXX	6000–6999	Assigned	TELEPORT COMMUNICATIONS AMERICA OK - LLC	530C	ENID	OK
2014-02-06	580-280-6XXX	6000–6999	Assigned	T-MOBILE USA, INC.	6529	LAWTON	OK
2014-02-06	580-280-7XXX	7000–7999	Assigned	T-MOBILE USA, INC.	6529	LAWTON	OK
2014-02-06	580-280-8XXX	8000–8999	Assigned	T-MOBILE USA, INC.	6529	LAWTON	OK
2014-02-05	580-579-6XXX	6000–6999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK	5813	DURANT	OK
2014-02-03	580-302-8XXX	8000–8999	Assigned	CSC VOICE, LLC	612K	WEATHERFD	OK
2014-01-24	580-825-4XXX	4000–4999	Assigned	BANDWIDTH.COM CLEC, LLC - OK	119F	HITCHCOCK	OK
2014-01-22	580-238-3XXX	3000–3999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	MARIETTA	OK
2014-01-07	580-560-0XXX	0000–0999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK	5813	DUNCAN	OK
2013-12-26	580-447-9XXX	9000–9999	Assigned	T-MOBILE USA, INC.	6529	ADA	OK
2013-12-18	580-665-2XXX	2000–2999	Assigned	T-MOBILE USA, INC.	6529	ADA	OK
2013-12-10	580-367-7XXX	7000–7999	Assigned	AT&T ENTERPRISES, LLC	516C	CADDO	OK
2013-12-06	580-350-3XXX	3000–3999	Assigned	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK	7258	LAWTON	OK
2013-11-27	580-665-5XXX	5000–5999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	ADA	OK
2013-11-05	580-297-3XXX	3000–3999	Assigned	CSC VOICE, LLC	612K	ENID	OK
2013-11-05	580-297-4XXX	4000–4999	Assigned	CSC VOICE, LLC	612K	ENID	OK
2013-11-05	580-297-5XXX	5000–5999	Assigned	CSC VOICE, LLC	612K	ENID	OK
2013-10-22	580-291-2XXX	2000–2999	Assigned	METROPCS, INC.	5562	LAWTON	OK
2013-10-22	580-291-3XXX	3000–3999	Assigned	METROPCS, INC.	5562	LAWTON	OK
2013-10-17	580-745-4XXX	4000–4999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	DURANT	OK
2013-10-14	580-277-8XXX	8000–8999	Assigned	T-MOBILE USA, INC.	6529	ARDMORE	OK
2013-09-27	580-768-6XXX	6000–6999	Assigned	TELEPORT COMMUNICATIONS AMERICA OK - LLC	530C	ARDMORE	OK
2013-09-25	580-560-3XXX	3000–3999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	DUNCAN	OK
2013-09-03	580-318-7XXX	7000–7999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK	5813	ALTUS	OK
2013-08-28	580-340-4XXX	4000–4999	Assigned	T-MOBILE USA, INC.	6529	ARDMORE	OK
2013-08-14	580-231-5XXX	5000–5999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	ENID	OK
2013-06-18	580-247-6XXX	6000–6999	Assigned	TELEPORT COMMUNICATIONS AMERICA OK - LLC	530C	DAVIS	OK
2013-06-05	580-826-3XXX	3000–3999	Assigned	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK	7258	ARDMORE	OK
2013-05-20	580-665-3XXX	3000–3999	Assigned	T-MOBILE USA, INC.	6529	ADA	OK
2013-05-07	580-339-9XXX	9000–9999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - OK	5257	ELK CITY	OK
2013-05-07	580-375-4XXX	4000–4999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - OK	5257	WEATHERFD	OK
2013-05-06	580-220-0XXX	0000–0999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	ARDMORE	OK
2013-04-25	580-379-7XXX	7000–7999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	ALTUS	OK
2013-03-08	580-429-5XXX	5000–5999	Assigned	WICHITA ONLINE, INC. - OK	258F	CACHE	OK
2013-03-08	580-875-5XXX	5000–5999	Assigned	WICHITA ONLINE, INC. - OK	258F	WALTERS	OK
2013-02-21	580-231-4XXX	4000–4999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	ENID	OK
2013-02-21	580-374-8XXX	8000–8999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	ELK CITY	OK
2013-02-20	580-677-5XXX	5000–5999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	MADILL	OK
2013-02-04	580-372-9XXX	9000–9999	Assigned	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK	7258	HUGO	OK

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.