Recent thousands-block assignments

9 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 928

INTRADO COMMUNICATIONS, LLC 3

CSC WIRELESS, LLC 2

AHOI LLC 2

NEW CINGULAR WIRELESS PCS, LLC 1

CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 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
2022-01-18	928-405-4XXX	4000–4999	Assigned	ONVOY SPECTRUM, LLC	624H	FLAGSTAFF	AZ
2022-01-14	928-270-8XXX	8000–8999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ	6572	SPRINGERVL	AZ
2022-01-14	928-405-2XXX	2000–2999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ	6572	FLAGSTAFF	AZ
2022-01-14	928-430-0XXX	0000–0999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ	6572	SOMERTON	AZ
2022-01-14	928-430-6XXX	6000–6999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ	6572	SOMERTON	AZ
2022-01-14	928-872-3XXX	3000–3999	Assigned	TON80 COMMUNICATIONS, LLC	516J	BULLHDCYN	AZ
2022-01-13	928-878-7XXX	7000–7999	Assigned	TON80 COMMUNICATIONS, LLC	516J	GILA BEND	AZ
2022-01-11	928-418-5XXX	5000–5999	Assigned	T-MOBILE USA, INC.	6529	KINGMAN	AZ
2022-01-11	928-418-6XXX	6000–6999	Assigned	T-MOBILE USA, INC.	6529	KINGMAN	AZ
2022-01-11	928-418-7XXX	7000–7999	Assigned	T-MOBILE USA, INC.	6529	KINGMAN	AZ
2022-01-10	928-546-7XXX	7000–7999	Assigned	TON80 COMMUNICATIONS, LLC	516J	BULLHEADCY	AZ
2022-01-08	928-430-7XXX	7000–7999	Assigned	T-MOBILE USA, INC.	6529	SOMERTON	AZ
2022-01-08	928-430-8XXX	8000–8999	Assigned	T-MOBILE USA, INC.	6529	SOMERTON	AZ
2022-01-08	928-732-8XXX	8000–8999	Assigned	TON80 COMMUNICATIONS, LLC	516J	LKHAVASUCY	AZ
2022-01-07	928-464-9XXX	9000–9999	Assigned	T-MOBILE USA, INC.	6529	WICKENBURG	AZ
2022-01-07	928-469-9XXX	9000–9999	Assigned	T-MOBILE USA, INC.	6529	PARKER	AZ
2022-01-07	928-686-7XXX	7000–7999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	LEUPP	AZ
2022-01-05	928-450-0XXX	0000–0999	Assigned	T-MOBILE USA, INC.	6529	BULLHEADCY	AZ
2022-01-05	928-450-1XXX	1000–1999	Assigned	T-MOBILE USA, INC.	6529	BULLHEADCY	AZ
2022-01-05	928-450-6XXX	6000–6999	Assigned	T-MOBILE USA, INC.	6529	BULLHEADCY	AZ
2022-01-05	928-450-7XXX	7000–7999	Assigned	T-MOBILE USA, INC.	6529	BULLHEADCY	AZ
2022-01-05	928-588-8XXX	8000–8999	Assigned	T-MOBILE USA, INC.	6529	WICKENBURG	AZ
2021-12-28	928-371-6XXX	6000–6999	Assigned	ONVOY, LLC - AZ	630E	MORMONLAKE	AZ
2021-12-28	928-378-5XXX	5000–5999	Assigned	ONVOY, LLC - AZ	630E	ROOSEVLTLK	AZ
2021-12-23	928-463-5XXX	5000–5999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ	6572	PRESCOTT	AZ
2021-12-23	928-463-6XXX	6000–6999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ	6572	PRESCOTT	AZ
2021-12-22	928-405-1XXX	1000–1999	Assigned	BOOST SUBSCRIBERCO L.L.C.	490J	FLAGSTAFF	AZ
2021-12-22	928-456-8XXX	8000–8999	Assigned	ONVOY SPECTRUM, LLC	624H	FLAGSTAFF	AZ
2021-12-22	928-456-9XXX	9000–9999	Assigned	ONVOY SPECTRUM, LLC	624H	FLAGSTAFF	AZ
2021-12-22	928-463-4XXX	4000–4999	Assigned	BOOST SUBSCRIBERCO L.L.C.	490J	PRESCOTT	AZ
2021-12-17	928-340-7XXX	7000–7999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ	6572	SEDONA	AZ
2021-12-16	928-408-9XXX	9000–9999	Assigned	BOOST SUBSCRIBERCO L.L.C.	490J	YUMA	AZ
2021-12-07	928-294-6XXX	6000–6999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ	6572	YUMA	AZ
2021-12-07	928-975-9XXX	9000–9999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ	6572	YUMA	AZ
2021-11-30	928-254-2XXX	2000–2999	Assigned	ONVOY, LLC - AZ	630E	SEDONA	AZ
2021-11-30	928-254-4XXX	4000–4999	Assigned	ONVOY, LLC - AZ	630E	SEDONA	AZ
2021-11-30	928-254-5XXX	5000–5999	Assigned	ONVOY, LLC - AZ	630E	SEDONA	AZ
2021-11-30	928-417-2XXX	2000–2999	Assigned	ONVOY, LLC - AZ	630E	SAFFORD	AZ
2021-11-30	928-417-3XXX	3000–3999	Assigned	ONVOY, LLC - AZ	630E	SAFFORD	AZ
2021-11-30	928-417-4XXX	4000–4999	Assigned	ONVOY, LLC - AZ	630E	SAFFORD	AZ
2021-11-30	928-417-5XXX	5000–5999	Assigned	ONVOY, LLC - AZ	630E	SAFFORD	AZ
2021-11-30	928-426-2XXX	2000–2999	Assigned	ONVOY, LLC - AZ	630E	PRESCOTT	AZ
2021-11-30	928-426-3XXX	3000–3999	Assigned	ONVOY, LLC - AZ	630E	PRESCOTT	AZ
2021-11-30	928-426-4XXX	4000–4999	Assigned	ONVOY, LLC - AZ	630E	PRESCOTT	AZ
2021-11-30	928-426-5XXX	5000–5999	Assigned	ONVOY, LLC - AZ	630E	PRESCOTT	AZ
2021-11-30	928-430-3XXX	3000–3999	Assigned	ONVOY, LLC - AZ	630E	SOMERTON	AZ
2021-11-30	928-430-4XXX	4000–4999	Assigned	ONVOY, LLC - AZ	630E	SOMERTON	AZ
2021-11-30	928-430-5XXX	5000–5999	Assigned	ONVOY, LLC - AZ	630E	SOMERTON	AZ
2021-11-30	928-450-5XXX	5000–5999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ	6572	BULLHEADCY	AZ
2021-11-30	928-463-2XXX	2000–2999	Assigned	ONVOY, LLC - AZ	630E	PRESCOTT	AZ

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.