Recent thousands-block assignments

43 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 435

UINTAH BASIN ELECTRONIC TELECOMMUNICATIONS 40

TDS BROADBAND SERVICE LLC 1

PEERLESS NETWORK OF UTAH, LLC - UT 1

AHOI LLC 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
2017-03-01	435-856-7XXX	7000–7999	Assigned	CENTURYLINK COMMUNICATIONS, LLC	508J	NEPHI	UT
2017-03-01	435-962-7XXX	7000–7999	Assigned	CENTURYLINK COMMUNICATIONS, LLC	508J	PARK CITY	UT
2017-01-17	435-230-9XXX	9000–9999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT	6571	BEARRIV CY	UT
2017-01-09	435-513-6XXX	6000–6999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	PARK CITY	UT
2017-01-06	435-557-9XXX	9000–9999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT	6571	LOGAN	UT
2016-12-28	435-465-4XXX	4000–4999	Assigned	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	BRIGHAM CY	UT
2016-12-15	435-236-1XXX	1000–1999	Assigned	METROPCS, INC.	5562	ST GEORGE	UT
2016-12-07	435-268-9XXX	9000–9999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	TOOELE	UT
2016-12-07	435-922-6XXX	6000–6999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	ST GEORGE	UT
2016-12-05	435-315-9XXX	9000–9999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	HEBER CITY	UT
2016-12-05	435-491-9XXX	9000–9999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	BICKNELL	UT
2016-12-05	435-515-1XXX	1000–1999	Assigned	CENTRAL TELCOM SVCS DBA CENTRACOM INTERACTIVE - NV	791D	BRIGHAM CY	UT
2016-12-05	435-819-9XXX	9000–9999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	KANAB	UT
2016-11-30	435-704-7XXX	7000–7999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT	6571	CEDAR CITY	UT
2016-11-21	435-236-0XXX	0000–0999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT	6571	ST GEORGE	UT
2016-11-18	435-209-9XXX	9000–9999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	MILFORD	UT
2016-11-18	435-231-7XXX	7000–7999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	ENTERPRISE	UT
2016-11-18	435-340-9XXX	9000–9999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	EPHRAIM	UT
2016-11-18	435-355-9XXX	9000–9999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	MOAB	UT
2016-11-18	435-625-9XXX	9000–9999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	BEAVER	UT
2016-11-18	435-690-8XXX	8000–8999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	PANGUITCH	UT
2016-11-16	435-230-7XXX	7000–7999	Assigned	NEW CINGULAR WIRELESS PCS, LLC	6010	BEARRIV CY	UT
2016-10-12	435-610-5XXX	5000–5999	Assigned	FIRSTDIGITAL COMMUNICATIONS, LLC	716D	NEPHI	UT
2016-10-12	435-670-5XXX	5000–5999	Assigned	FIRSTDIGITAL COMMUNICATIONS, LLC	716D	SALINA	UT
2016-10-10	435-602-3XXX	3000–3999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT	6571	PARK CITY	UT
2016-10-07	435-625-2XXX	2000–2999	Assigned	FIRSTDIGITAL COMMUNICATIONS, LLC	716D	BEAVER	UT
2016-09-06	435-557-5XXX	5000–5999	Assigned	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	LOGAN	UT
2016-08-23	435-465-2XXX	2000–2999	Assigned	BANDWIDTH.COM CLEC, LLC - UT	117F	BRIGHAM CY	UT
2016-06-29	435-429-3XXX	3000–3999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT	6571	ST GEORGE	UT
2016-06-29	435-922-8XXX	8000–8999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT	6571	ST GEORGE	UT
2016-06-20	435-557-1XXX	1000–1999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT	6571	LOGAN	UT
2016-04-15	435-383-7XXX	7000–7999	Assigned	METROPCS, INC.	5562	CEDAR CITY	UT
2016-03-25	435-418-2XXX	2000–2999	Assigned	ONVOY, LLC - UT	871E	BEAVER	UT
2016-03-25	435-418-3XXX	3000–3999	Assigned	ONVOY, LLC - UT	871E	BEAVER	UT
2016-03-23	435-922-5XXX	5000–5999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT	6571	ST GEORGE	UT
2016-03-16	435-412-2XXX	2000–2999	Assigned	ONVOY, LLC - UT	871E	GLNCNYONCY	UT
2016-03-16	435-412-3XXX	3000–3999	Assigned	ONVOY, LLC - UT	871E	GLNCNYONCY	UT
2016-03-15	435-625-4XXX	4000–4999	Assigned	ONVOY, LLC - UT	871E	BEAVER	UT
2016-03-15	435-625-5XXX	5000–5999	Assigned	ONVOY, LLC - UT	871E	BEAVER	UT
2016-03-15	435-670-2XXX	2000–2999	Assigned	ONVOY, LLC - UT	871E	SALINA	UT
2016-03-15	435-670-4XXX	4000–4999	Assigned	ONVOY, LLC - UT	871E	SALINA	UT
2016-03-11	435-677-1XXX	1000–1999	Assigned	ONVOY, LLC - UT	871E	BRIAN HEAD	UT
2016-03-11	435-677-5XXX	5000–5999	Assigned	ONVOY, LLC - UT	871E	BRIAN HEAD	UT
2016-03-08	435-268-8XXX	8000–8999	Assigned	CENTRAL TELCOM SVCS DBA CENTRACOM INTERACTIVE - NV	791D	TOOELE	UT
2016-02-26	435-710-3XXX	3000–3999	Assigned	ONVOY, LLC - UT	871E	PAROWAN	UT
2016-02-26	435-710-4XXX	4000–4999	Assigned	ONVOY, LLC - UT	871E	PAROWAN	UT
2016-02-24	435-612-5XXX	5000–5999	Assigned	ONVOY, LLC - UT	871E	MONROE	UT
2016-02-24	435-612-8XXX	8000–8999	Assigned	ONVOY, LLC - UT	871E	MONROE	UT
2016-02-19	435-222-2XXX	2000–2999	Assigned	ONVOY, LLC - UT	871E	HEBER CITY	UT
2016-02-19	435-222-7XXX	7000–7999	Assigned	ONVOY, LLC - UT	871E	HEBER CITY	UT

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.