Recent prefix assignments

334 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/28/2026

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 19

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
2019-09-09	431-809	not yet reported which blocks →	Iristel Inc.	154E	Winnipeg	—
2019-09-09	431-812	not yet reported which blocks →	Iristel Inc.	154E	Winnipeg	—
2019-09-09	431-813	not yet reported which blocks →	Iristel Inc.	154E	Winnipeg	—
2019-09-09	581-620	not yet reported which blocks →	TELUS Mobility	8303	Blanc-Sablon	—
2019-09-09	581-621	not yet reported which blocks →	TELUS Mobility	8303	Mutton Bay	—
2019-09-09	608-631	0–9 XXXall 10 · 5 holders which blocks →	UNITED STATES CELLULAR - WI	6274	BELOIT	WI
2019-09-09	618-486	0XXX1XXX6XXX · 2 holders which blocks →	VONAGE AMERICA LLC	197D	LAWRENCEVL	IL
2019-09-09	959-205	0–9 XXXall 10 · 7 holders which blocks →	EXIANT COMMUNICATIONS LLC	114J	HARTFORD	CT
2019-09-06	272-231	0–9 XXXall 10 · 3 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	SELINSGRV	PA
2019-09-06	405-674	0–9 XXXall 10 · 4 holders which blocks →	PEERLESS NETWORK OF OKLAHOMA, LLC - OK	384H	MUSTANG	OK
2019-09-06	438-430	not yet reported which blocks →	Bell Mobility	6574	Montreal	—
2019-09-06	540-594	0–9 XXXall 10 · 5 holders which blocks →	PEERLESS NETWORK OF VIRGINIA, LLC - VA	275G	MINERAL	VA
2019-09-06	571-498	0–9 XXXall 10 · 7 holders which blocks →	PEERLESS NETWORK OF VIRGINIA, LLC - VA	275G	LEESBURG	VA
2019-09-06	579-839	not yet reported which blocks →	TELUS Quebec	2243	Beauharnois	—
2019-09-06	579-840	not yet reported which blocks →	TELUS Quebec	2243	Chateauguay	—
2019-09-06	579-845	not yet reported which blocks →	TELUS Quebec	2243	St-Constant	—
2019-09-06	579-846	not yet reported which blocks →	TELUS Quebec	2243	Ste-Martine	—
2019-09-06	647-597	not yet reported which blocks →	Bell Mobility	6574	Toronto	—
2019-09-06	657-395	0–9 XXXall 10 · 5 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC	6010	YORBALINDA	CA
2019-09-06	669-297	0–9 XXXall 10 · 5 holders which blocks →	BANDWIDTH.COM CLEC, LLC - CA	981E	SNJS NORTH	CA
2019-09-06	716-494	0XXX1XXX3XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks →	PEERLESS NETWORK OF NEW YORK, LLC - NY	155E	EDEN	NY
2019-09-06	716-527	0XXX1XXX2XXX3XXX4XXX6XXX7XXX9XXX · 4 holders which blocks →	PEERLESS NETWORK OF NEW YORK, LLC - NY	155E	WESTSENECA	NY
2019-09-06	757-801	0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks →	PEERLESS NETWORK OF VIRGINIA, LLC - VA	275G	CHINCOTEGU	VA
2019-09-06	804-373	0–9 XXXall 10 · 3 holders which blocks →	PEERLESS NETWORK OF VIRGINIA, LLC - VA	275G	DINWIDDIE	VA
2019-09-06	804-619	0–9 XXXall 10 · 6 holders which blocks →	PEERLESS NETWORK OF VIRGINIA, LLC - VA	275G	MECHANCSVL	VA
2019-09-06	806-695	9XXX which blocks →	VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW	1163	DARROUZETT	TX
2019-09-06	825-668	not yet reported which blocks →	Bell Mobility	6574	Calgary	—
2019-09-06	870-621	0–9 XXXall 10 · 6 holders which blocks →	METROPCS, INC.	5562	TEXARKANA	AR
2019-09-06	941-336	0–9 XXXall 10 · 5 holders which blocks →	FRACTEL, LLC	965H	PTCHARLOTT	FL
2019-09-06	949-617	0–9 XXXall 10 · 4 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC	6010	IRVINE	CA
2019-09-06	949-674	0–9 XXXall 10 · 7 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC	6010	NEWPORTBCH	CA
2019-09-05	223-221	0–9 XXXall 10 · 4 holders which blocks →	PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA	967E	LANCASTER	PA
2019-09-05	223-224	0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks →	PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA	967E	MCVEYTOWN	PA
2019-09-05	254-348	0–9 XXXall 10 · 3 holders which blocks →	ONVOY, LLC - TX	903C	LAKESIDVLG	TX
2019-09-05	254-356	0–9 XXXall 10 · 4 holders which blocks →	ONVOY, LLC - TX	903C	BLUM	TX
2019-09-05	254-357	0XXX7XXX8XXX9XXX · 3 holders which blocks →	VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW	1181	ROGERS	TX
2019-09-05	269-291	0–9 XXXall 10 · 3 holders which blocks →	PEERLESS NETWORK OF MICHIGAN, LLC - MI	933G	OLIVET	MI
2019-09-05	337-677	0–9 XXXall 10 · 3 holders which blocks →	FRACTEL, LLC	965H	LK CHARLES	LA
2019-09-05	430-251	2XXX3XXX5XXX8XXX9XXX · 4 holders which blocks →	VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW	1181	BOGATA	TX
2019-09-05	438-277	not yet reported which blocks →	Bell Mobility	6574	Montreal	—
2019-09-05	438-280	not yet reported which blocks →	Bell Mobility	6574	Montreal	—
2019-09-05	470-507	0–9 XXXall 10 · 3 holders which blocks →	CHARTER IP ENABLED SERVICES, LLC	792K	ATLANTA SO	GA
2019-09-05	502-527	0–9 XXXall 10 · 5 holders which blocks →	PEERLESS NETWORK OF KENTUCKY, LLC - KY	035H	MILTON	KY
2019-09-05	731-283	0XXX3XXX4XXX6XXX7XXX8XXX9XXX · 5 holders which blocks →	PEERLESS NETWORK OF TENNESSEE, LLC - TN	276F	DYER	TN
2019-09-05	803-882	0–9 XXXall 10 · 5 holders which blocks →	PEERLESS NETWORK OF SOUTH CAROLINA, LLC - SC	098H	PROSPERITY	SC
2019-09-05	803-884	0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 3 holders which blocks →	PEERLESS NETWORK OF SOUTH CAROLINA, LLC - SC	098H	BLACKVILLE	SC
2019-09-05	803-886	0–9 XXXall 10 · 4 holders which blocks →	PEERLESS NETWORK OF SOUTH CAROLINA, LLC - SC	098H	SRNGFLSLLY	SC
2019-09-05	806-314	5XXX6XXX9XXX · 2 holders which blocks →	VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW	1163	BOOKER	TX
2019-09-05	806-691	0XXX2XXX3XXX4XXX8XXX9XXX · 4 holders which blocks →	VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW	1163	CROSBYTON	TX
2019-09-05	806-693	9XXX which blocks →	VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW	1163	FOLLETT	TX

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/28/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.