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
2021-04-15	930-904	0–9 XXXall 10 · 2 holders which blocks →	ONVOY SPECTRUM, LLC	624H	BLOOMINGTN	IN
2021-04-15	930-905	0XXX1XXX2XXX3XXX4XXX5XXX8XXX9XXX · 3 holders which blocks →	ONVOY SPECTRUM, LLC	624H	EVANSVILLE	IN
2021-04-14	223-258	0–9 XXXall 10 · 4 holders which blocks →	COMCAST IP PHONE, LLC	318J	LITITZ	PA
2021-04-14	223-273	0XXX2XXX3XXX6XXX7XXX · 3 holders which blocks →	ONVOY, LLC - PA	547E	ALLENSVL	PA
2021-04-14	223-277	0XXX2XXX3XXX4XXX5XXX7XXX · 4 holders which blocks →	ONVOY, LLC - PA	547E	BELLEVILLE	PA
2021-04-14	223-288	0XXX2XXX3XXX4XXX8XXX9XXX · 5 holders which blocks →	ONVOY, LLC - PA	547E	BLAIN	PA
2021-04-14	223-302	0XXX1XXX2XXX5XXX8XXX · 3 holders which blocks →	ONVOY, LLC - PA	547E	BLRDGSUMMT	PA
2021-04-14	223-344	0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX · 5 holders which blocks →	ONVOY SPECTRUM, LLC	624H	DAUPHIN	PA
2021-04-14	223-355	0XXX1XXX2XXX3XXX4XXX5XXX · 4 holders which blocks →	ONVOY, LLC - PA	547E	DRY RUN	PA
2021-04-14	225-903	0–9 XXXall 10 · 2 holders which blocks →	ONVOY SPECTRUM, LLC	624H	BATONROUGE	LA
2021-04-14	251-901	0–9 XXXall 10 · 3 holders which blocks →	ONVOY SPECTRUM, LLC	624H	MOBILE	AL
2021-04-14	262-280	0XXX1XXX4XXX5XXX9XXX · 3 holders which blocks →	T-MOBILE USA, INC.	6529	WATERFORD	WI
2021-04-14	313-644	0–9 XXXall 10 · 5 holders which blocks →	BANDWIDTH.COM CLEC, LLC - MI	991E	DETROITZN3	MI
2021-04-14	318-901	0–9 XXXall 10 · 2 holders which blocks →	ONVOY SPECTRUM, LLC	624H	SHREVEPORT	LA
2021-04-14	325-901	0–9 XXXall 10 · 2 holders which blocks →	ONVOY SPECTRUM, LLC	624H	ABILENE	TX
2021-04-14	334-901	0–9 XXXall 10 · 3 holders which blocks →	ONVOY SPECTRUM, LLC	624H	MONTGOMERY	AL
2021-04-14	337-901	0–9 XXXall 10 · 3 holders which blocks →	ONVOY SPECTRUM, LLC	624H	LAFAYETTE	LA
2021-04-14	361-905	0–9 XXXall 10 · 4 holders which blocks →	ONVOY SPECTRUM, LLC	624H	C CHRISTI	TX
2021-04-14	406-901	0–9 XXXall 10 · 4 holders which blocks →	ONVOY SPECTRUM, LLC	624H	BILLINGS	MT
2021-04-14	417-901	0–9 XXXall 10 · 2 holders which blocks →	ONVOY SPECTRUM, LLC	624H	SPRINGFLD	MO
2021-04-14	432-901	0–9 XXXall 10 · 2 holders which blocks →	ONVOY SPECTRUM, LLC	624H	MIDLAND	TX
2021-04-14	478-901	0–9 XXXall 10 · 3 holders which blocks →	ONVOY SPECTRUM, LLC	624H	MACON	GA
2021-04-14	504-901	0–9 XXXall 10 · 3 holders which blocks →	ONVOY SPECTRUM, LLC	624H	NEWORLEANS	LA
2021-04-14	530-901	0–9 XXXwhole prefix which blocks →	ONVOY SPECTRUM, LLC	624H	CHICO	CA
2021-04-14	531-263	0–9 XXXall 10 · 4 holders which blocks →	AERIAL COMMUNICATIONS, INC.	6701	OMAHA	NE
2021-04-14	539-246	0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 6 holders which blocks →	T-MOBILE USA, INC.	6529	TAHLEQUAH	OK
2021-04-14	539-901	0–9 XXXwhole prefix which blocks →	ONVOY SPECTRUM, LLC	624H	TULSA	OK
2021-04-14	540-762	0–9 XXXall 10 · 2 holders which blocks →	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	CHRISTISBG	VA
2021-04-14	548-408	not yet reported which blocks →	IXICA Communications Inc.	812H	Guelph	—
2021-04-14	571-646	0–9 XXXall 10 · 7 holders which blocks →	ONVOY, LLC - VA	138E	ENGLESIDE	VA
2021-04-14	571-667	0–9 XXXall 10 · 5 holders which blocks →	ONVOY, LLC - VA	138E	LORTON	VA
2021-04-14	659-903	0–9 XXXall 10 · 3 holders which blocks →	ONVOY SPECTRUM, LLC	624H	BIRMINGHAM	AL
2021-04-14	681-363	0XXX1XXX2XXX3XXX4XXX6XXX7XXX9XXX · 4 holders which blocks →	T-MOBILE USA, INC.	6529	CHRLSTNZN5	WV
2021-04-14	715-900	2XXX5XXX9XXX · 2 holders which blocks →	ONVOY SPECTRUM, LLC	624H	EAU CLAIRE	WI
2021-04-14	737-286	0–9 XXXall 10 · 4 holders which blocks →	COMMIO, LLC	939H	KYLE	TX
2021-04-14	737-788	0–9 XXXall 10 · 7 holders which blocks →	FRACTEL, LLC	965H	BURNET	TX
2021-04-14	757-835	0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks →	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	WINDSOR	VA
2021-04-14	757-957	0–9 XXXall 10 · 3 holders which blocks →	OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC	6855	SUFFOLK	VA
2021-04-14	762-786	0–9 XXXall 10 · 4 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	WAYNESBORO	GA
2021-04-14	762-901	0–9 XXXall 10 · 3 holders which blocks →	ONVOY SPECTRUM, LLC	624H	AUGUSTA	GA
2021-04-14	804-907	0–9 XXXall 10 · 4 holders which blocks →	ONVOY, LLC - VA	138E	ENON	VA
2021-04-14	806-901	0–9 XXXwhole prefix which blocks →	ONVOY SPECTRUM, LLC	624H	AMARILLO	TX
2021-04-14	806-902	0XXX1XXX2XXX3XXX4XXX7XXX8XXX9XXX · 2 holders which blocks →	ONVOY SPECTRUM, LLC	624H	LUBBOCK	TX
2021-04-14	848-498	0–9 XXXall 10 · 3 holders which blocks →	ONVOY SPECTRUM, LLC	624H	SOUTHRIVER	NJ
2021-04-14	854-902	0–9 XXXall 10 · 2 holders which blocks →	ONVOY SPECTRUM, LLC	624H	CHARLESTON	SC
2021-04-14	854-903	0XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks →	ONVOY SPECTRUM, LLC	624H	FLORENCE	SC
2021-04-14	856-484	0–9 XXXall 10 · 3 holders which blocks →	OMNIPOINT COMMUNICATIONS ENTERPRISES, LP	6626	VINELAND	NJ
2021-04-14	862-366	0–9 XXXall 10 · 4 holders which blocks →	ONVOY SPECTRUM, LLC	624H	W MILFORD	NJ
2021-04-14	878-599	0–9 XXXall 10 · 5 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	PTGSBNZN14	PA
2021-04-14	906-901	0–9 XXXwhole prefix which blocks →	ONVOY SPECTRUM, LLC	624H	MARQUETTE	MI

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.