Recent thousands-block assignments

9 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 920

ONVOY, LLC - WI 4

CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 2

U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 1

T-MOBILE USA, INC. 1

INTRADO COMMUNICATIONS, 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
2005-04-12	920-544-4XXX	4000–4999	Assigned	TWC IP ENABLED SERVICES, LLC	793K	GREEN BAY	WI
2005-03-29	920-321-8XXX	8000–8999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	GREEN BAY	WI
2005-03-23	920-202-4XXX	4000–4999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	APPLETON	WI
2005-03-23	920-650-6XXX	6000–6999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	JEFFERSON	WI
2005-03-08	920-267-5XXX	5000–5999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	OSHKOSH	WI
2005-03-08	920-267-6XXX	6000–6999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	OSHKOSH	WI
2005-02-23	920-268-8XXX	8000–8999	Assigned	T-MOBILE USA, INC.	6529	APPLETON	WI
2005-02-22	920-321-6XXX	6000–6999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	GREEN BAY	WI
2005-02-22	920-423-3XXX	3000–3999	Assigned	TWC IP ENABLED SERVICES, LLC	793K	LTL CHUTE	WI
2005-02-22	920-462-4XXX	4000–4999	Assigned	TWC IP ENABLED SERVICES, LLC	793K	KAUKAUNA	WI
2005-02-08	920-238-9XXX	9000–9999	Assigned	CHARTER IP ENABLED SERVICES, LLC	792K	FONDDU LAC	WI
2005-02-03	920-397-7XXX	7000–7999	Assigned	CHARTER IP ENABLED SERVICES, LLC	792K	FTATKINSON	WI
2005-02-03	920-482-2XXX	2000–2999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	MANITOWOC	WI
2005-02-02	920-350-0XXX	0000–0999	Assigned	CHARTER IP ENABLED SERVICES, LLC	792K	COLUMBUS	WI
2005-01-14	920-202-2XXX	2000–2999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	APPLETON	WI
2005-01-14	920-321-4XXX	4000–4999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	GREEN BAY	WI
2004-12-30	920-593-2XXX	2000–2999	Assigned	TDS METROCOM, LLC	520K	GREEN BAY	WI
2004-12-29	920-227-8XXX	8000–8999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	GREEN BAY	WI
2004-12-28	920-268-9XXX	9000–9999	Assigned	T-MOBILE USA, INC.	6529	APPLETON	WI
2004-12-28	920-471-0XXX	0000–0999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	GREEN BAY	WI
2004-12-28	920-471-1XXX	1000–1999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	GREEN BAY	WI
2004-12-28	920-471-2XXX	2000–2999	Assigned	T-MOBILE USA, INC.	6529	GREEN BAY	WI
2004-12-21	920-268-0XXX	0000–0999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	APPLETON	WI
2004-12-21	920-268-1XXX	1000–1999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	APPLETON	WI
2004-12-13	920-202-1XXX	1000–1999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	APPLETON	WI
2004-12-13	920-227-7XXX	7000–7999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	GREEN BAY	WI
2004-12-07	920-471-3XXX	3000–3999	Assigned	T-MOBILE USA, INC.	6529	GREEN BAY	WI
2004-12-01	920-650-3XXX	3000–3999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	JEFFERSON	WI
2004-11-23	920-527-1XXX	1000–1999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	OSHKOSH	WI
2004-10-22	920-390-1XXX	1000–1999	Assigned	T-MOBILE USA, INC.	6529	WATERTOWN	WI
2004-10-19	920-369-6XXX	6000–6999	Assigned	UNITED STATES CELLULAR - WI	6274	GREEN LAKE	WI
2004-10-19	920-369-8XXX	8000–8999	Assigned	UNITED STATES CELLULAR - WI	6274	GREEN LAKE	WI
2004-10-19	920-763-2XXX	2000–2999	Assigned	UNITED STATES CELLULAR - WI	6274	BEAVER DAM	WI
2004-10-19	920-763-3XXX	3000–3999	Assigned	UNITED STATES CELLULAR - WI	6274	BEAVER DAM	WI
2004-10-19	920-763-4XXX	4000–4999	Assigned	UNITED STATES CELLULAR - WI	6274	BEAVER DAM	WI
2004-10-19	920-763-5XXX	5000–5999	Assigned	UNITED STATES CELLULAR - WI	6274	BEAVER DAM	WI
2004-10-12	920-202-0XXX	0000–0999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	APPLETON	WI
2004-10-12	920-227-3XXX	3000–3999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	GREEN BAY	WI
2004-10-12	920-227-5XXX	5000–5999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	GREEN BAY	WI
2004-09-23	920-471-5XXX	5000–5999	Assigned	T-MOBILE USA, INC.	6529	GREEN BAY	WI
2004-06-22	920-299-5XXX	5000–5999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	GREEN LAKE	WI
2004-06-22	920-349-5XXX	5000–5999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	HUSTISFORD	WI
2004-06-22	920-526-4XXX	4000–4999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	GREENBUSH	WI
2004-06-22	920-753-8XXX	8000–8999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	MT CALVARY	WI
2004-06-22	920-827-4XXX	4000–4999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	NEWHOLSTEN	WI
2004-06-22	920-853-4XXX	4000–4999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	HILBERT	WI
2004-06-15	920-319-4XXX	4000–4999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	BEAVER DAM	WI
2004-06-15	920-341-4XXX	4000–4999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	CLYMAN	WI
2004-06-15	920-354-6XXX	6000–6999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	BERLIN	WI
2004-06-15	920-876-6XXX	6000–6999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	ELKHART LK	WI

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.