Recent prefix assignments

349 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
2022-02-09	364-768	0XXX6XXX7XXX · 3 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	BURKESVL	KY
2022-02-09	458-463	7XXX which blocks →	TON80 COMMUNICATIONS, LLC	516J	JOSEPH	OR
2022-02-09	458-632	7XXX8XXX9XXX · 3 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	IONE	OR
2022-02-09	769-284	0–9 XXXall 10 · 4 holders which blocks →	POWERTEL MEMPHIS LICENSES, INC.	7474	CANTON	MS
2022-02-09	774-686	0–9 XXXall 10 · 4 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	MILFORD	MA
2022-02-09	854-846	0–9 XXXall 10 · 6 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	BEAUFORT	SC
2022-02-09	857-746	0–9 XXXall 10 · 4 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	BROOKLINE	MA
2022-02-09	915-296	0–9 XXXall 10 · 5 holders which blocks →	T-MOBILE USA, INC.	6529	EL PASO	TX
2022-02-09	920-714	0–9 XXXall 10 · 5 holders which blocks →	T-MOBILE USA, INC.	6529	APPLETON	WI
2022-02-09	928-481	2XXX9XXX · 2 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC	6010	BLUE RIDGE	AZ
2022-02-09	928-609	2XXX9XXX · 2 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC	6010	GREENEHVN	AZ
2022-02-09	928-631	2XXX3XXX4XXX9XXX · 2 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC	6010	MORMONLAKE	AZ
2022-02-09	945-446	0–9 XXXall 10 · 3 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	CARROLLTON	TX
2022-02-09	970-899	8XXX9XXX · 2 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC	6010	LODORE	CO
2022-02-08	223-678	0XXX1XXX5XXX6XXX8XXX9XXX · 6 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	SCHAEFESTN	PA
2022-02-08	276-874	0–9 XXXall 10 · 2 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	NORTON	VA
2022-02-08	305-427	0–9 XXXwhole prefix which blocks →	OMNIPOINT MIAMI E LICENSE, LLC	6889	MIAMI	FL
2022-02-08	305-464	0–9 XXXwhole prefix which blocks →	OMNIPOINT MIAMI E LICENSE, LLC	6889	MIAMI	FL
2022-02-08	305-686	0–9 XXXwhole prefix which blocks →	ONVOY, LLC - FL	937C	MIAMI	FL
2022-02-08	314-970	0–9 XXXall 10 · 7 holders which blocks →	ONVOY, LLC - MO	093F	ST LOUIS	MO
2022-02-08	434-768	0XXX1XXX6XXX7XXX8XXX9XXX · 4 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	BIG ISLAND	VA
2022-02-08	475-332	0–9 XXXall 10 · 6 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT	6388	BRIDGEPORT	CT
2022-02-08	484-703	0–9 XXXall 10 · 3 holders which blocks →	OMNIPOINT COMMUNICATIONS ENTERPRISES, LP	6626	COATESVL	PA
2022-02-08	484-916	0–9 XXXall 10 · 3 holders which blocks →	ONVOY, LLC - PA	547E	BETHLEHEM	PA
2022-02-08	484-937	0–9 XXXall 10 · 4 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	BETHLEHEM	PA
2022-02-08	516-863	0–9 XXXall 10 · 5 holders which blocks →	ONVOY, LLC- NY	384C	NASSAUZN09	NY
2022-02-08	540-606	0–9 XXXall 10 · 4 holders which blocks →	TELNYX LLC	073H	ELKTON	VA
2022-02-08	540-956	0–9 XXXall 10 · 3 holders which blocks →	ONVOY, LLC - VA	138E	STONE MT	VA
2022-02-08	561-821	0–9 XXXall 10 · 3 holders which blocks →	ONVOY, LLC - FL	937C	BELLEGLADE	FL
2022-02-08	561-823	0–9 XXXwhole prefix which blocks →	ONVOY, LLC - FL	937C	WPALMBEACH	FL
2022-02-08	561-831	0–9 XXXall 10 · 5 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - GA	6214	JUPITER	FL
2022-02-08	605-982	0–9 XXXall 10 · 6 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	ABERDEEN	SD
2022-02-08	706-240	0–9 XXXall 10 · 4 holders which blocks →	POWERTEL ATLANTA LICENSES, INC.	7473	ATHENS	GA
2022-02-08	707-904	6XXX9XXX · 2 holders which blocks →	TELEPORT COMMUNICATIONS AMERICA, LLC - CA	7145	FORESTVL	CA
2022-02-08	757-691	0–9 XXXall 10 · 4 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	BELLEHAVEN	VA
2022-02-08	757-861	0–9 XXXall 10 · 4 holders which blocks →	BANDWIDTH.COM CLEC, LLC - VA	079F	SUFFOLK	VA
2022-02-08	804-875	0–9 XXXall 10 · 5 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA	6827	KILMARNOCK	VA
2022-02-08	804-990	0XXX1XXX2XXX3XXX4XXX8XXX9XXX · 3 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA	6827	MATHEWS	VA
2022-02-08	830-366	0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 5 holders which blocks →	T-MOBILE USA, INC.	6529	PLEASANTON	TX
2022-02-08	864-785	0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks →	BANDWIDTH.COM CLEC, LLC - SC	077F	GAFFNEY	SC
2022-02-08	901-664	0–9 XXXall 10 · 4 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - TN	4806	MEMPHIS	TN
2022-02-08	971-424	0–9 XXXall 10 · 4 holders which blocks →	BANDWIDTH.COM CLEC, LLC - OR	076F	NEWBERG	OR
2022-02-07	276-548	0XXX1XXX2XXX3XXX7XXX8XXX9XXX · 5 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	CUMBERLDGP	VA
2022-02-07	337-627	0–9 XXXall 10 · 6 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	BREAUX BDG	LA
2022-02-07	346-548	0–9 XXXall 10 · 4 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX	6506	BAYTOWN	TX
2022-02-07	346-550	0–9 XXXall 10 · 2 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX	6506	CYPRESS	TX
2022-02-07	386-347	0–9 XXXall 10 · 4 holders which blocks →	POWERTEL JACKSONVILLE LICENSES, INC.	7472	ALACHUA	FL
2022-02-07	430-293	0–9 XXXall 10 · 4 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX	6506	ATLANTA	TX
2022-02-07	458-746	0XXX1XXX2XXX3XXX4XXX7XXX · 3 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	GRASS VLY	OR
2022-02-07	458-787	0XXX1XXX7XXX8XXX · 4 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	HEPPNER	OR

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.