Recent prefix assignments

358 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/24/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The Code holder is who opened each NPA-NXX prefix — not necessarily who holds the numbers. A prefix is 10,000 numbers, but under pooling its ten 1,000-number blocks are handed out individually, often to different carriers; the code holder may hold only one block, or none. The Thousands-blocks column shows how the ten blocks are really split — click which blocks → to see who holds each 1,000-number block and its last-4-digit range. Assignments are initial assignments; the current serving carrier may differ due to portability.

Most active assignees, last 30 days

8X8, INC. 43

NEW CINGULAR WIRELESS PCS, LLC - DC 31

ONVOY, LLC - CA 27

NEW CINGULAR WIRELESS PCS, LLC - IL 27

ONVOY, LLC - NJ 15

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 NPA-NXX prefix assignments
Assigned	NPA-NXX	Thousands-blocks taken (last-4 opening)	Code holder	OCN	Rate center	State
—	715-871	not yet reported which blocks →	WEST WISCONSIN TELCOM COOP., INC.	0971	ELK LAKE	WI
—	715-872	not yet reported which blocks →	WEST WISCONSIN TELCOM COOP., INC.	0971	ELK LAKE	WI
—	715-873	0XXX1XXX2XXX5XXX8XXX9XXX · 6 holders which blocks →	BRIGHTSPEED OF NORTHERN WISCONSIN, LLC	0956	GLEASON	WI
—	715-874	none assigned yet which blocks →	WEST WISCONSIN TELCOM COOP., INC.	0971	ELK LAKE	WI
—	715-875	none assigned yet which blocks →	WEST WISCONSIN TELCOM COOP., INC.	0971	ROCK FALLS	WI
—	715-876	not yet reported which blocks →	WEST WISCONSIN TELCOM COOP., INC.	0971	ELK LAKE	WI
—	715-877	4XXX5XXX7XXX8XXX9XXX · 3 holders which blocks →	BRIGHTSPEED OF CENTRAL WISCONSIN, LLC	1159	FALL CREEK	WI
—	715-878	7XXX8XXX · 2 holders which blocks →	BRIGHTSPEED OF CENTRAL WISCONSIN, LLC	1159	CLEGHORN	WI
—	715-879	2XXX7XXX · 2 holders which blocks →	TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK	1155	ELK MOUND	WI
—	715-882	0XXX1XXX4XXX6XXX7XXX9XXX · 5 holders which blocks →	FRONTIER NORTH INC. - WI	0886	WHITE LAKE	WI
—	715-884	1XXX8XXX9XXX · 3 holders which blocks →	CENTRAL STATE TEL. CO	0859	PITTSVILLE	WI
—	715-885	not yet reported which blocks →	WOOD COUNTY TEL. CO.	0974	PT EDWARDS	WI
—	715-886	not yet reported which blocks →	WOOD COUNTY TEL. CO.	0974	NEKOOSA	WI
—	715-887	not yet reported which blocks →	WOOD COUNTY TEL. CO.	0974	PT EDWARDS	WI
—	715-893	5XXX8XXX · 2 holders which blocks →	BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC	0924	HURLEY	WI
—	715-895	4XXX5XXX6XXX7XXX8XXX which blocks →	TELEPORT COMMUNICATIONS AMERICA, LLC WI	7216	EAU CLAIRE	WI
—	715-897	not yet reported which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	MARSHFIELD	WI
—	715-898	0–9 XXXall 10 · 5 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	MARSHFIELD	WI
—	715-906	not yet reported which blocks →	METRO SOUTHWEST PCS, LLP	9759	RHINELANDR	WI
—	715-911	not yet reported which blocks →	MULTIPLE OCN LISTING	MULT	XXXXXXXXXX	WI
—	715-921	0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	GLEASON	WI
—	715-922	2XXX8XXX9XXX · 2 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	OGEMA	WI
—	715-923	not yet reported which blocks →	NEW CELL DBA CELLCOM	6692	MARINETTE	WI
—	715-924	5XXX6XXX8XXX9XXX · 3 holders which blocks →	BRIGHTSPEED OF WESTERN WISCONSIN, LLC	0922	CHETEK	WI
—	715-925	not yet reported which blocks →	CTC TELCOM, INC.	7998	CHETEK	WI
—	715-926	8XXX which blocks →	FRONTIER COMMUNICATIONS OF WISCONSIN LLC	0912	MONDOVI	WI
—	715-927	not yet reported which blocks →	NEW CELL DBA CELLCOM	6692	CRIVITZ	WI
—	715-929	none assigned yet which blocks →	NEW CELL DBA CELLCOM	6692	PEMBINE	WI
—	715-934	6XXX9XXX · 2 holders which blocks →	NORVADO, INC.	8615	HAYWARD	WI
—	715-935	0XXX1XXX2XXX3XXX5XXX8XXX9XXX · 4 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	PLAINFIELD	WI
—	715-938	not yet reported which blocks →	NEW CELL DBA CELLCOM	6692	MARINETTE	WI
—	715-939	0XXX1XXX2XXX3XXX4XXX6XXX7XXX9XXX · 5 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	SPOONER	WI
—	715-940	1XXX2XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks →	BANDWIDTH.COM CLEC, LLC - WI	007F	SHAWANO	WI
—	715-942	2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks →	PAETEC ITEL, LLC	829J	WAUPACA	WI
—	715-943	not yet reported which blocks →	INDIANHEAD TEL. CO.	0936	EXELAND	WI
—	715-945	not yet reported which blocks →	INDIANHEAD TEL. CO.	0936	RADISSON	WI
—	715-946	not yet reported which blocks →	NELSON COMMUNICATIONS COOPERATIVE	0918	GILMANTON	WI
—	715-948	not yet reported which blocks →	AMERY TELECOM, INC.	0842	CLAYTON	WI
—	715-949	not yet reported which blocks →	CHIBARDUN TEL. COOP., INC.	0861	RIDGELAND	WI
—	715-950	not yet reported which blocks →				WI
—	715-958	not yet reported which blocks →			EAU CLAIRE	WI
—	715-959	not yet reported which blocks →			EAU CLAIRE	WI
—	715-962	0XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks →	TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK	1155	COLFAX	WI
—	715-963	0XXX4XXX6XXX7XXX8XXX9XXX · 4 holders which blocks →	BRIGHTSPEED OF CENTRAL WISCONSIN, LLC	1159	HIXTON	WI
—	715-964	0XXX3XXX4XXX5XXX6XXX9XXX · 5 holders which blocks →	BRIGHTSPEED OF CENTRAL WISCONSIN, LLC	1159	ALMACENTER	WI
—	715-967	not yet reported which blocks →	CITIZENS TEL. COOP., INC.	0863	LONG LAKE	WI
—	715-975	0XXX6XXX9XXX · 2 holders which blocks →	TELEPORT COMMUNICATIONS AMERICA, LLC WI	7216	EAU CLAIRE	WI
—	715-976	not yet reported which blocks →	MULTIPLE OCN LISTING	MULT	XXXXXXXXXX	WI
—	715-979	0–9 XXXall 10 · 7 holders which blocks →	ONVOY, LLC - WI	225C	ASHLAND	WI
—	715-983	not yet reported which blocks →	TRI-COUNTY TEL. COOP., INC.	0960	PIGEON FLS	WI

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/24/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.