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
2019-12-02	806-699	0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks →	TELNYX LLC	073H	AMARILLO	TX
2019-12-02	831-356	0–9 XXXall 10 · 4 holders which blocks →	FRACTEL, LLC	965H	SALINAS	CA
2019-12-02	859-436	0–9 XXXall 10 · 5 holders which blocks →	TELNYX LLC	073H	LEXINGTON	KY
2019-12-02	915-265	0–9 XXXall 10 · 4 holders which blocks →	TELNYX LLC	073H	EL PASO	TX
2019-12-02	928-455	0–9 XXXall 10 · 4 holders which blocks →	ONVOY, LLC - AZ	630E	PEACH SPG	AZ
2019-12-02	938-300	0–9 XXXall 10 · 3 holders which blocks →	FRACTEL, LLC	965H	ATTALLA	AL
2019-12-02	940-298	0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX · 4 holders which blocks →	TELNYX LLC	073H	WICHITAFLS	TX
2019-12-02	952-900	0–9 XXXall 10 · 3 holders which blocks →	FRACTEL, LLC	965H	TWINCITIES	MN
2019-12-02	956-506	0–9 XXXall 10 · 3 holders which blocks →	TELNYX LLC	073H	HARLINGEN	TX
2019-12-02	970-782	1XXX2XXX7XXX · 2 holders which blocks →	ONVOY, LLC - CO	026D	SO BIG SPG	CO
2019-11-29	239-306	0–9 XXXall 10 · 3 holders which blocks →	METROPCS, INC.	5562	NAPLES	FL
2019-11-29	249-870	not yet reported which blocks →	TELUS Mobility	646F	Timmins	—
2019-11-29	351-215	0–9 XXXall 10 · 5 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC - DC	4036	HAVERHILL	MA
2019-11-29	367-997	not yet reported which blocks →	TELUS Mobility	646F	Quebec	—
2019-11-29	380-208	0–9 XXXall 10 · 4 holders which blocks →	CENTURYLINK COMMUNICATIONS, LLC	508J	REYNOLDSBG	OH
2019-11-29	639-475	not yet reported which blocks →	TELUS Mobility	646F	Regina	—
2019-11-29	807-706	not yet reported which blocks →	TELUS Mobility	646F	Thunder Bay	—
2019-11-29	872-255	0–9 XXXall 10 · 5 holders which blocks →	VONAGE AMERICA LLC	197D	CHICGOZN04	IL
2019-11-28	249-872	not yet reported which blocks →	TELUS Mobility	646F	Peterborough	—
2019-11-28	343-366	not yet reported which blocks →	TELUS Mobility	646F	Kingston	—
2019-11-28	343-368	not yet reported which blocks →	TELUS Mobility	646F	Ottawa-Hull	—
2019-11-28	365-991	not yet reported which blocks →	TELUS Mobility	646F	St. Catharines-Thorold	—
2019-11-27	249-874	not yet reported which blocks →	TELUS Mobility	646F	Kapuskasing	—
2019-11-27	463-218	0–9 XXXall 10 · 5 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN	6725	SHELBYVL	IN
2019-11-27	507-738	0XXX1XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks →	TELNYX LLC	073H	ROCHESTER	MN
2019-11-27	507-758	0XXX1XXX4XXX6XXX7XXX · 4 holders which blocks →	FRACTEL, LLC	965H	ST JAMES	MN
2019-11-27	672-991	not yet reported which blocks →	TELUS Mobility	646F	North Kamloops	—
2019-11-27	825-983	not yet reported which blocks →	TELUS Mobility	646F	Edmonton	—
2019-11-27	825-984	not yet reported which blocks →	TELUS Mobility	646F	Lethbridge	—
2019-11-27	951-516	0–9 XXXall 10 · 5 holders which blocks →	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	SUN CITY	CA
2019-11-27	956-482	0–9 XXXwhole prefix which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	LAREDO	TX
2019-11-26	213-513	0–9 XXXall 10 · 5 holders which blocks →	VONAGE AMERICA LLC	197D	LSAN DA 10	CA
2019-11-26	360-946	0–9 XXXall 10 · 4 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA	5812	VANCOUVER	WA
2019-11-26	404-689	0–9 XXXall 10 · 4 holders which blocks →	NUSO, LLC	551G	ATLANTA	GA
2019-11-26	507-900	0XXX1XXX5XXX9XXX · 3 holders which blocks →	FRACTEL, LLC	965H	ROCHESTER	MN
2019-11-26	515-405	0XXX1XXX4XXX5XXX7XXX9XXX · 6 holders which blocks →	HD CARRIER LLC	321J	RENWICK	IA
2019-11-26	563-283	0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks →	HD CARRIER LLC	321J	MUSCATINE	IA
2019-11-26	563-287	0–9 XXXall 10 · 3 holders which blocks →	AIRUS, INC - IA	423H	DECORAH	IA
2019-11-26	682-322	0–9 XXXall 10 · 4 holders which blocks →	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	MANSFIELD	TX
2019-11-26	712-514	7XXX9XXX · 2 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA	6570	SPENCER	IA
2019-11-26	909-779	0–9 XXXwhole prefix which blocks →	NEW CINGULAR WIRELESS PCS, LLC	6010	POMONA	CA
2019-11-26	913-372	0–9 XXXall 10 · 3 holders which blocks →	RAINBOW COMMUNICATIONS, LLC - KS	330D	ATCHISON	KS
2019-11-25	208-210	0–9 XXXall 10 · 4 holders which blocks →	TELNYX LLC	073H	COERDALENE	ID
2019-11-25	417-507	0–9 XXXall 10 · 6 holders which blocks →	TELNYX LLC	073H	SPRINGFLD	MO
2019-11-25	479-376	0XXX1XXX2XXX · 2 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - AR	5179	FORUM	AR
2019-11-25	479-377	0XXX1XXX2XXX9XXX · 3 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - AR	5179	AURORA	AR
2019-11-25	517-758	0–9 XXXall 10 · 3 holders which blocks →	FRACTEL, LLC	965H	HOLT	MI
2019-11-22	517-356	0–9 XXXall 10 · 2 holders which blocks →	FRACTEL, LLC	965H	LANSING	MI
2019-11-22	628-356	0–9 XXXall 10 · 5 holders which blocks →	FRACTEL, LLC	965H	NICASIO	CA
2019-11-22	785-588	0–9 XXXall 10 · 4 holders which blocks →	TELNYX LLC	073H	TOPEKA	KS

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.