Recent prefix assignments

341 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/26/2026

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 26

Rogers Communications Canada Inc. (Wireless) 23

NEW CINGULAR WIRELESS PCS, LLC - IL 22

ONVOY, LLC - CA 21

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
2022-03-22	948-201	0–9 XXXall 10 · 2 holders which blocks →	ONVOY, LLC - VA	138E	TOANO	VA
2022-03-21	225-481	0–9 XXXall 10 · 3 holders which blocks →	AIRUS, INC. - LA	477H	BATONROUGE	LA
2022-03-21	407-987	0–9 XXXall 10 · 2 holders which blocks →	ONVOY, LLC - FL	937C	ORLANDO	FL
2022-03-21	424-481	0–9 XXXall 10 · 5 holders which blocks →	T-MOBILE USA, INC.	6529	HAWTHORNE	CA
2022-03-21	530-929	0–9 XXXall 10 · 5 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA	6006	SHINGLESPG	CA
2022-03-21	551-550	0–9 XXXwhole prefix which blocks →	ONVOY, LLC - NJ	637C	JERSEYCITY	NJ
2022-03-21	603-241	0–9 XXXall 10 · 4 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	DOVER	NH
2022-03-21	742-239	not yet reported which blocks →	FGLTEL Inc.	139J	Brampton	—
2022-03-21	742-240	not yet reported which blocks →	FGLTEL Inc.	139J	Caledon East	—
2022-03-21	742-241	not yet reported which blocks →	FGLTEL Inc.	139J	Snelgrove	—
2022-03-21	742-242	not yet reported which blocks →	FGLTEL Inc.	139J	Castlemore	—
2022-03-21	742-243	not yet reported which blocks →	FGLTEL Inc.	139J	Malton	—
2022-03-21	742-244	not yet reported which blocks →	FGLTEL Inc.	139J	Streetsville	—
2022-03-21	742-245	not yet reported which blocks →	FGLTEL Inc.	139J	Cooksville	—
2022-03-21	742-246	not yet reported which blocks →	FGLTEL Inc.	139J	Clarkson	—
2022-03-21	742-248	not yet reported which blocks →	FGLTEL Inc.	139J	Victoria	—
2022-03-21	742-277	not yet reported which blocks →	FGLTEL Inc.	139J	Port Credit	—
2022-03-21	862-399	0–9 XXXall 10 · 3 holders which blocks →	OMNIPOINT COMMUNICATIONS, INC. - NJ	6623	CALDWELL	NJ
2022-03-18	229-737	0–9 XXXall 10 · 2 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	CUTHBERT	GA
2022-03-18	308-465	0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 6 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - NE	3233	OGALLALA	NE
2022-03-18	351-231	0–9 XXXall 10 · 3 holders which blocks →	OMNIPOINT MIAMI E LICENSE, LLC	6889	GLOUCESTER	MA
2022-03-18	478-723	0XXX1XXX3XXX5XXX7XXX9XXX · 5 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	GORDON	GA
2022-03-18	502-401	0–9 XXXall 10 · 4 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - GA	6214	FRANKFORT	KY
2022-03-18	582-210	0–9 XXXall 10 · 2 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	BOALSBURG	PA
2022-03-18	608-939	1XXX3XXX9XXX · 3 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	MONROE CTR	WI
2022-03-18	608-995	0XXX1XXX2XXX3XXX5XXX8XXX9XXX · 2 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	VERONA	WI
2022-03-18	620-590	0XXX1XXX4XXX6XXX7XXX8XXX9XXX · 5 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	WINFIELD	KS
2022-03-18	626-929	0XXX1XXX2XXX3XXX4XXX5XXX6XXX8XXX9XXX · 3 holders which blocks →	FRACTEL, LLC	965H	ARCADIA	CA
2022-03-18	626-996	0–9 XXXall 10 · 2 holders which blocks →	FRACTEL, LLC	965H	LA PUENTE	CA
2022-03-18	657-742	0–9 XXXall 10 · 2 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	HUNTITNBCH	CA
2022-03-18	669-455	0–9 XXXall 10 · 6 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	SUNNYVALE	CA
2022-03-18	681-390	0XXX1XXX2XXX3XXX4XXX9XXX · 3 holders which blocks →	AT&T - LOCAL	7421	MILTON	WV
2022-03-18	762-466	0XXX1XXX2XXX3XXX5XXX6XXX8XXX9XXX · 5 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	PENDERGRSS	GA
2022-03-18	762-753	0XXX1XXX2XXX3XXX4XXX5XXX8XXX9XXX · 3 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	GREENSBORO	GA
2022-03-18	912-676	0XXX2XXX3XXX6XXX7XXX8XXX9XXX · 5 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	ST MARYS	GA
2022-03-18	945-249	0–9 XXXall 10 · 2 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	FRISCO	TX
2022-03-18	945-250	0–9 XXXall 10 · 2 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	LEWISVILLE	TX
2022-03-18	947-258	0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 4 holders which blocks →	OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC	2964	CLARKSTON	MI
2022-03-18	949-773	0–9 XXXall 10 · 6 holders which blocks →	FRACTEL, LLC	965H	NEWPORTBCH	CA
2022-03-18	980-421	0–9 XXXall 10 · 2 holders which blocks →	SUNCOM DBA T-MOBILE USA	8645	GASTONIA	NC
2022-03-18	986-860	0XXX1XXX2XXX3XXX8XXX9XXX · 3 holders which blocks →	COMMIO, LLC	939H	COERDALENE	ID
2022-03-17	216-484	0–9 XXXall 10 · 3 holders which blocks →	T-MOBILE USA, INC.	6529	TERRACE	OH
2022-03-17	234-687	0XXX1XXX2XXX3XXX4XXX7XXX9XXX · 6 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	SALINEVL	OH
2022-03-17	413-482	0–9 XXXall 10 · 5 holders which blocks →	FREEDOM RING COMMUNICATIONS, LLC	8468	SPRINGFLD	MA
2022-03-17	447-832	0XXX1XXX2XXX4XXX7XXX · 5 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	OAKWOOD	IL
2022-03-17	464-203	0–9 XXXwhole prefix which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	OAK FOR SO	IL
2022-03-17	479-487	0–9 XXXall 10 · 5 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	SPRINGDALE	AR
2022-03-17	567-379	0–9 XXXwhole prefix which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	LIMA	OH
2022-03-17	580-880	0XXX1XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	ALTUS	OK
2022-03-17	580-990	0–9 XXXall 10 · 3 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	DUNCAN	OK

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/26/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.