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
2012-11-07	920-473-5XXX	5000–5999	Assigned	AT&T ENTERPRISES, LLC	516C	STURGEONBY	WI
2012-10-03	920-903-6XXX	6000–6999	Assigned	T-MOBILE USA, INC.	6529	APPLETON	WI
2012-09-27	920-763-7XXX	7000–7999	Assigned	UNITED STATES CELLULAR - WI	6274	BEAVER DAM	WI
2012-09-19	920-842-7XXX	7000–7999	Assigned	PLTC, LLC - WI	375F	SURING	WI
2012-09-19	920-855-5XXX	5000–5999	Assigned	PLTC, LLC - WI	375F	GILLETT	WI
2012-08-30	920-212-1XXX	1000–1999	Assigned	BANDWIDTH.COM CLEC, LLC - WI	007F	MAYVILLE	WI
2012-08-14	920-438-9XXX	9000–9999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI	6508	GREEN BAY	WI
2012-08-14	920-445-5XXX	5000–5999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI	6508	GREEN BAY	WI
2012-08-14	920-445-9XXX	9000–9999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI	6508	GREEN BAY	WI
2012-08-03	920-903-5XXX	5000–5999	Assigned	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	APPLETON	WI
2012-07-31	920-903-0XXX	0000–0999	Assigned	T-MOBILE USA, INC.	6529	APPLETON	WI
2012-07-30	920-796-1XXX	1000–1999	Assigned	CHARTER IP ENABLED SERVICES, LLC	792K	WHITELAW	WI
2012-07-11	920-785-6XXX	6000–6999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	GREEN BAY	WI
2012-07-02	920-657-2XXX	2000–2999	Assigned	CHARTER IP ENABLED SERVICES, LLC	792K	TWO RIVERS	WI
2012-06-26	920-838-5XXX	5000–5999	Assigned	UNITED STATES CELLULAR - WI	6274	PLYMOUTH	WI
2012-06-21	920-388-9XXX	9000–9999	Assigned	WISCONSIN RSA #10 LIMITED PARTNERSHIP	5564	KEWAUNEE	WI
2012-06-15	920-393-3XXX	3000–3999	Assigned	BANDWIDTH.COM CLEC, LLC - WI	007F	GREEN BAY	WI
2012-06-14	920-397-2XXX	2000–2999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI	6508	FTATKINSON	WI
2012-06-06	920-763-6XXX	6000–6999	Assigned	UNITED STATES CELLULAR - WI	6274	BEAVER DAM	WI
2012-05-22	920-570-9XXX	9000–9999	Assigned	T-MOBILE USA, INC.	6529	APPLETON	WI
2012-05-14	920-391-8XXX	8000–8999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI	6508	GREEN BAY	WI
2012-05-14	920-391-9XXX	9000–9999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI	6508	GREEN BAY	WI
2012-04-25	920-652-7XXX	7000–7999	Assigned	PAETEC ITEL, LLC	829J	MANITOWOC	WI
2012-04-05	920-238-3XXX	3000–3999	Assigned	BANDWIDTH.COM CLEC, LLC - WI	007F	FONDDU LAC	WI
2012-03-29	920-757-2XXX	2000–2999	Assigned	PAETEC ITEL, LLC	829J	APPLETON	WI
2012-03-20	920-297-2XXX	2000–2999	Assigned	BANDWIDTH.COM CLEC, LLC - WI	007F	LAKE MILLS	WI
2012-03-09	920-352-2XXX	2000–2999	Assigned	BANDWIDTH.COM CLEC, LLC - WI	007F	VAN DYNE	WI
2012-02-29	920-530-3XXX	3000–3999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	GREEN BAY	WI
2012-02-23	920-460-9XXX	9000–9999	Assigned	BANDWIDTH.COM CLEC, LLC - WI	007F	APPLETON	WI
2012-02-15	920-473-6XXX	6000–6999	Assigned	TELEPORT COMMUNICATIONS AMERICA, LLC WI	7216	STURGEONBY	WI
2012-02-09	920-226-4XXX	4000–4999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI	6508	SHEBOYGAN	WI
2012-02-07	920-706-1XXX	1000–1999	Assigned	BANDWIDTH.COM CLEC, LLC - WI	007F	WINNECONNE	WI
2012-01-09	920-400-3XXX	3000–3999	Assigned	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	PLYMOUTH	WI
2012-01-09	920-605-3XXX	3000–3999	Assigned	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	JEFFERSON	WI
2012-01-05	920-868-6XXX	6000–6999	Assigned	BANDWIDTH.COM CLEC, LLC - WI	007F	EGG HARBOR	WI
2012-01-04	920-304-9XXX	9000–9999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI	6508	KEWAUNEE	WI
2012-01-04	920-472-2XXX	2000–2999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	NEW LONDON	WI
2012-01-04	920-624-6XXX	6000–6999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	ST CLOUD	WI
2011-12-22	920-393-2XXX	2000–2999	Assigned	LEVEL 3 COMMUNICATIONS, LLC - WI	5489	GREEN BAY	WI
2011-12-21	920-290-5XXX	5000–5999	Assigned	UNITED STATES CELLULAR - WI	6274	BERLIN	WI
2011-12-19	920-658-5XXX	5000–5999	Assigned	BANDWIDTH.COM CLEC, LLC - WI	007F	OMRO	WI
2011-12-16	920-350-5XXX	5000–5999	Assigned	UNITED STATES CELLULAR - WI	6274	COLUMBUS	WI
2011-12-16	920-823-3XXX	3000–3999	Assigned	BANDWIDTH.COM CLEC, LLC - WI	007F	JACKSONPT	WI
2011-12-05	920-214-2XXX	2000–2999	Assigned	AT&T ENTERPRISES, LLC	516C	MAYVILLE	WI
2011-12-05	920-550-0XXX	0000–0999	Assigned	AT&T ENTERPRISES, LLC	516C	SHEBOGNFLS	WI
2011-12-05	920-769-5XXX	5000–5999	Assigned	AT&T ENTERPRISES, LLC	516C	MANITOWOC	WI
2011-11-29	920-371-9XXX	9000–9999	Assigned	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI	6508	GREEN BAY	WI
2011-11-14	920-304-8XXX	8000–8999	Assigned	AT&T ENTERPRISES, LLC	516C	KEWAUNEE	WI
2011-11-14	920-365-8XXX	8000–8999	Assigned	AT&T ENTERPRISES, LLC	516C	ALGOMA	WI
2011-11-14	920-532-8XXX	8000–8999	Assigned	AT&T ENTERPRISES, LLC	516C	WRIGHTSTN	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.