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
2022-05-04	468-999	not yet reported which blocks →	IXICA Communications Inc.	812H	Stoke	—
2022-05-04	512-881	0–9 XXXwhole prefix which blocks →	ONVOY, LLC - TX	903C	LEANDER	TX
2022-05-04	512-882	0–9 XXXwhole prefix which blocks →	ONVOY, LLC - TX	903C	GEORGETOWN	TX
2022-05-04	512-885	0–9 XXXwhole prefix which blocks →	ONVOY, LLC - TX	903C	LOCKHART	TX
2022-05-04	567-385	2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks →	TELEPORT COMMUNICATIONS AMERICA, LLC - OH	7532	TOLEDO	OH
2022-05-04	579-826	not yet reported which blocks →	TELUS Quebec	2243	Mirabel-St-Augustin	—
2022-05-04	620-601	0XXX1XXX8XXX9XXX · 3 holders which blocks →	T-MOBILE USA, INC.	6529	PRATT	KS
2022-05-04	629-275	0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 3 holders which blocks →	ONVOY SPECTRUM, LLC	624H	NASHVILLE	TN
2022-05-04	713-379	0–9 XXXwhole prefix which blocks →	ONVOY, LLC - TX	903C	APOLLO	TX
2022-05-04	713-399	0–9 XXXwhole prefix which blocks →	ONVOY SPECTRUM, LLC	624H	HOUSTON	TX
2022-05-04	713-424	0–9 XXXwhole prefix which blocks →	ONVOY, LLC - TX	903C	BAYTOWN	TX
2022-05-04	718-750	0–9 XXXwhole prefix which blocks →	ONVOY, LLC- NY	384C	NWYRCYZN11	NY
2022-05-04	725-274	0–9 XXXwhole prefix which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NV	6458	LAS VEGAS	NV
2022-05-04	785-634	8XXX9XXX which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	CUBA	KS
2022-05-04	832-346	0–9 XXXwhole prefix which blocks →	ONVOY, LLC - TX	903C	BAMMEL	TX
2022-05-04	832-936	0–9 XXXwhole prefix which blocks →	ONVOY SPECTRUM, LLC	624H	HSTNSUBURB	TX
2022-05-04	832-979	0–9 XXXwhole prefix which blocks →	ONVOY, LLC - TX	903C	HUMBLE	TX
2022-05-04	917-271	0–9 XXXwhole prefix which blocks →	ONVOY SPECTRUM, LLC	624H	NWYRCYZN03	NY
2022-05-04	917-590	0–9 XXXwhole prefix which blocks →	ONVOY, LLC- NY	384C	NWYRCYZN09	NY
2022-05-04	917-694	0–9 XXXwhole prefix which blocks →	ONVOY, LLC- NY	384C	NWYRCYZN10	NY
2022-05-04	917-967	0–9 XXXwhole prefix which blocks →	ONVOY, LLC- NY	384C	NWYRCYZN07	NY
2022-05-04	929-619	0–9 XXXall 10 · 4 holders which blocks →	ONVOY SPECTRUM, LLC	624H	NWYRCYZN03	NY
2022-05-04	929-621	0–9 XXXall 10 · 2 holders which blocks →	ONVOY SPECTRUM, LLC	624H	NWYRCYZN07	NY
2022-05-04	945-254	0–9 XXXwhole prefix which blocks →	ONVOY SPECTRUM, LLC	624H	PLANO	TX
2022-05-04	949-978	0–9 XXXall 10 · 6 holders which blocks →	FRACTEL, LLC	965H	IRVINE	CA
2022-05-04	954-264	0–9 XXXwhole prefix which blocks →	ONVOY SPECTRUM, LLC	624H	FTLAUDERDL	FL
2022-05-04	954-841	0–9 XXXwhole prefix which blocks →	ONVOY SPECTRUM, LLC	624H	POMPANOBCH	FL
2022-05-04	954-886	0–9 XXXwhole prefix which blocks →	ONVOY SPECTRUM, LLC	624H	CORAL SPG	FL
2022-05-04	972-640	0–9 XXXwhole prefix which blocks →	ONVOY, LLC - TX	903C	GRANDPRARI	TX
2022-05-04	972-928	0–9 XXXwhole prefix which blocks →	ONVOY, LLC - TX	903C	FRISCO	TX
2022-05-04	985-356	0XXX8XXX · 2 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - LA	3232	GOLDEN MDW	LA
2022-05-03	303-491	0–9 XXXwhole prefix which blocks →	ONVOY SPECTRUM, LLC	624H	DENVER	CO
2022-05-03	468-400	not yet reported which blocks →	IXICA Communications Inc.	812H	Cookshire	—
2022-05-03	468-444	not yet reported which blocks →	IXICA Communications Inc.	812H	Danville	—
2022-05-03	468-488	not yet reported which blocks →	IXICA Communications Inc.	812H	Windsor	—
2022-05-03	468-600	not yet reported which blocks →	IXICA Communications Inc.	812H	East Angus	—
2022-05-03	468-680	not yet reported which blocks →	IXICA Communications Inc.	812H	Wotton	—
2022-05-02	365-433	not yet reported which blocks →	Bell Mobility	6574	Hamilton	—
2022-05-02	468-200	not yet reported which blocks →	IXICA Communications Inc.	812H	Bishopton	—
2022-05-02	468-222	not yet reported which blocks →	IXICA Communications Inc.	812H	Bromptonville	—
2022-05-02	468-300	not yet reported which blocks →	IXICA Communications Inc.	812H	Bury	—
2022-05-02	468-333	not yet reported which blocks →	IXICA Communications Inc.	812H	Chartierville	—
2022-05-02	564-218	0–9 XXXall 10 · 2 holders which blocks →	T-MOBILE USA, INC.	6529	BREMERTON	WA
2022-05-02	564-221	0XXX2XXX3XXX4XXX7XXX8XXX9XXX · 6 holders which blocks →	COMCAST IP PHONE, LLC	318J	BATTLEGRND	WA
2022-05-02	825-544	not yet reported which blocks →	Bell Mobility	6574	Edmonton	—
2022-05-02	825-740	not yet reported which blocks →	Bell Mobility	6574	Calgary	—
2022-04-29	236-780	not yet reported which blocks →	Bell Mobility	6574	Vancouver	—
2022-04-29	312-680	0–9 XXXwhole prefix which blocks →	ONVOY, LLC	224C	CHICGOZN01	IL
2022-04-29	404-517	0–9 XXXwhole prefix which blocks →	ONVOY SPECTRUM, LLC	624H	ATLANTA	GA
2022-04-29	404-868	0–9 XXXwhole prefix which blocks →	ONVOY, LLC - GA	067D	ATLANTA	GA

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.