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
2021-04-24	986-810	0XXX1XXX8XXX9XXX which blocks →	ONVOY, LLC - ID	689F	COERDALENE	ID
2021-04-24	986-910	0–9 XXXall 10 · 3 holders which blocks →	ONVOY, LLC - ID	689F	BOISE	ID
2021-04-23	228-910	0–9 XXXall 10 · 3 holders which blocks →	ONVOY, LLC - MS	719E	BILOXI	MS
2021-04-23	272-445	2XXX3XXX4XXX5XXX6XXX · 4 holders which blocks →	ONVOY, LLC - PA	547E	NOXEN	PA
2021-04-23	307-381	0–9 XXXall 10 · 4 holders which blocks →	BANDWIDTH.COM CLEC, LLC - WY	081F	SHERIDAN	WY
2021-04-23	307-910	0XXX1XXX2XXX3XXX8XXX9XXX · 2 holders which blocks →	ONVOY, LLC - WY	450F	CHEYENNE	WY
2021-04-23	365-429	not yet reported which blocks →	Bell Mobility	6574	Hamilton	—
2021-04-23	438-569	not yet reported which blocks →	Bell Mobility	6574	Montreal	—
2021-04-23	442-466	0–9 XXXall 10 · 5 holders which blocks →	FRACTEL, LLC	965H	OCSD PDTN	CA
2021-04-23	442-933	0–9 XXXall 10 · 4 holders which blocks →	FRACTEL, LLC	965H	INDIO	CA
2021-04-23	581-737	not yet reported which blocks →	Bell Mobility	6574	Quebec	—
2021-04-23	601-210	0–9 XXXall 10 · 2 holders which blocks →	ONVOY, LLC - MS	719E	JACKSON	MS
2021-04-23	650-910	0–9 XXXall 10 · 2 holders which blocks →	ONVOY, LLC - CA	649C	SSNFRNCSCO	CA
2021-04-23	814-970	0XXX1XXX2XXX4XXX5XXX7XXX · 3 holders which blocks →	ONVOY, LLC - PA	547E	ENDEAVOR	PA
2021-04-23	825-541	not yet reported which blocks →	Bell Mobility	6574	Edmonton	—
2021-04-23	825-739	not yet reported which blocks →	Bell Mobility	6574	Calgary	—
2021-04-23	858-744	0–9 XXXall 10 · 4 holders which blocks →	FRACTEL, LLC	965H	SNDG SNDG	CA
2021-04-23	858-855	0–9 XXXall 10 · 3 holders which blocks →	FRACTEL, LLC	965H	EL CAJON	CA
2021-04-23	951-910	0XXX1XXX2XXX3XXX4XXX5XXX7XXX9XXX · 4 holders which blocks →	ONVOY, LLC - CA	649C	HEMT SAGE	CA
2021-04-22	218-599	0XXX2XXX4XXX5XXX8XXX9XXX · 5 holders which blocks →	PAUL BUNYAN RURAL TELEPHONE COOP.	4814	ERICSBURG	MN
2021-04-22	218-601	0XXX4XXX8XXX · 2 holders which blocks →	PAUL BUNYAN RURAL TELEPHONE COOP.	4814	KABETOGAMA	MN
2021-04-22	240-259	0–9 XXXall 10 · 4 holders which blocks →	ONVOY SPECTRUM, LLC	624H	HUGHESVL	MD
2021-04-22	240-717	0–9 XXXall 10 · 4 holders which blocks →	ONVOY SPECTRUM, LLC	624H	LEONARDTN	MD
2021-04-22	240-768	5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks →	ONVOY SPECTRUM, LLC	624H	NANJEMOY	MD
2021-04-22	248-389	0–9 XXXwhole prefix which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	SOUTHFIELD	MI
2021-04-22	260-280	0–9 XXXall 10 · 6 holders which blocks →	BANDWIDTH.COM CLEC, LLC - IN	105F	HUNTERTOWN	IN
2021-04-22	360-800	0–9 XXXall 10 · 5 holders which blocks →	FRACTEL, LLC	965H	OLYMPIA	WA
2021-04-22	365-428	not yet reported which blocks →	Bell Mobility	6574	Hamilton	—
2021-04-22	406-807	0XXX1XXX7XXX8XXX · 3 holders which blocks →	ONVOY, LLC - MT	453F	EGLACIERPK	MT
2021-04-22	419-201	0–9 XXXwhole prefix which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	LIMA	OH
2021-04-22	437-646	not yet reported which blocks →	Bell Mobility	6574	Toronto	—
2021-04-22	438-568	not yet reported which blocks →	Bell Mobility	6574	Montreal	—
2021-04-22	440-696	0XXX1XXX3XXX4XXX5XXX7XXX8XXX9XXX · 4 holders which blocks →	HD CARRIER LLC	321J	BRECKSVL	OH
2021-04-22	442-433	0–9 XXXall 10 · 3 holders which blocks →	FRACTEL, LLC	965H	BRAWLEY	CA
2021-04-22	442-755	0–9 XXXall 10 · 3 holders which blocks →	FRACTEL, LLC	965H	VICTORVL	CA
2021-04-22	458-264	0–9 XXXall 10 · 7 holders which blocks →	TELNYX LLC	073H	JUNCTIONCY	OR
2021-04-22	540-803	0–9 XXXwhole prefix which blocks →	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	STAFFORD	VA
2021-04-22	581-736	not yet reported which blocks →	Bell Mobility	6574	Quebec	—
2021-04-22	629-468	0–9 XXXall 10 · 4 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	SMYRNA	TN
2021-04-22	657-833	0–9 XXXall 10 · 3 holders which blocks →	FRACTEL, LLC	965H	SANTA ANA	CA
2021-04-22	825-539	not yet reported which blocks →	Bell Mobility	6574	Edmonton	—
2021-04-22	825-738	not yet reported which blocks →	Bell Mobility	6574	Calgary	—
2021-04-22	858-567	0–9 XXXall 10 · 3 holders which blocks →	FRACTEL, LLC	965H	LA JOLLA	CA
2021-04-22	878-255	0–9 XXXall 10 · 3 holders which blocks →	ONVOY SPECTRUM, LLC	624H	ALIQUIPPA	PA
2021-04-22	878-277	0–9 XXXall 10 · 5 holders which blocks →	ONVOY, LLC - PA	547E	BLAIRSVL	PA
2021-04-22	878-477	0XXX1XXX2XXX3XXX7XXX8XXX9XXX · 3 holders which blocks →	ONVOY, LLC - PA	547E	CHARLEROI	PA
2021-04-21	225-575	0XXX1XXX2XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks →	TON80 COMMUNICATIONS, LLC	516J	GALVEZ	LA
2021-04-21	272-263	0–9 XXXall 10 · 5 holders which blocks →	ONVOY SPECTRUM, LLC	624H	AUBURN	PA
2021-04-21	272-292	0–9 XXXall 10 · 5 holders which blocks →	ONVOY SPECTRUM, LLC	624H	BEAVER SPG	PA
2021-04-21	272-372	0XXX1XXX2XXX3XXX4XXX6XXX7XXX9XXX · 6 holders which blocks →	ONVOY SPECTRUM, LLC	624H	BROOKSIDE	PA

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.