Recent prefix assignments

2 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/20/2026

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 — NPA 973

BARR TELL USA, INC. 2

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
—	973-297	not yet reported which blocks →	VERIZON NEW JERSEY, INC.	9206	NEWARK	NJ
—	973-298	0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - NJ	4804	ROCKAWAY	NJ
—	973-299	not yet reported which blocks →	VERIZON NEW JERSEY, INC.	9206	BOONTON	NJ
—	973-300	not yet reported which blocks →	BRIGHTSPEED OF NEW JERSEY, INC.	0138	NEWTON	NJ
—	973-301	not yet reported which blocks →	VERIZON NEW JERSEY, INC.	9206	MADISON	NJ
—	973-302	0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 6 holders which blocks →	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	BELLEVILLE	NJ
—	973-303	0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX which blocks →	LEVEL 3 COMMUNICATIONS, LLC - NJ	4804	CALDWELL	NJ
—	973-304	1XXX4XXX5XXX · 2 holders which blocks →	VERIZON NEW JERSEY, INC.	9206	HAWTHORNE	NJ
—	973-305	not yet reported which blocks →	VERIZON NEW JERSEY, INC.	9206	MT VIEW	NJ
—	973-306	0XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - NJ	4804	DOVER	NJ
—	973-307	0XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - NJ	4804	MADISON	NJ
—	973-309	0–9 XXXall 10 · 3 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - NJ	4804	CHATHAM	NJ
—	973-310	0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 6 holders which blocks →	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	HAWTHORNE	NJ
—	973-311	not yet reported which blocks →	MULTIPLE OCN LISTING	MULT	XXXXXXXXXX	NJ
—	973-312	not yet reported which blocks →	VERIZON NEW JERSEY, INC.	9206	NEWARK	NJ
—	973-313	4XXX5XXX7XXX8XXX · 3 holders which blocks →	VERIZON NEW JERSEY, INC.	9206	SO ORANGE	NJ
—	973-314	0XXX1XXX2XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - NJ	4804	MILLBURN	NJ
—	973-315	0XXX3XXX5XXX6XXX7XXX8XXX · 4 holders which blocks →	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	MILLBURN	NJ
—	973-316	not yet reported which blocks →	VERIZON NEW JERSEY, INC.	9206	BOONTON	NJ
—	973-317	0XXX2XXX3XXX4XXX6XXX7XXX8XXX · 5 holders which blocks →	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	MT VIEW	NJ
—	973-318	1XXX3XXX5XXX6XXX · 2 holders which blocks →	VERIZON NEW JERSEY, INC.	9206	NEWARK	NJ
—	973-319	0–9 XXXall 10 · 4 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - NJ	4804	WHIPPANY	NJ
—	973-320	0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 7 holders which blocks →	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	NUTLEY	NJ
—	973-321	3XXX4XXX6XXX7XXX8XXX · 3 holders which blocks →	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	PATERSON	NJ
—	973-322	not yet reported which blocks →	VERIZON NEW JERSEY, INC.	9206	LIVINGSTON	NJ
—	973-323	0XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks →	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	ORANGE	NJ
—	973-324	7XXX which blocks →	VERIZON NEW JERSEY, INC.	9206	ORANGE	NJ
—	973-325	not yet reported which blocks →	VERIZON NEW JERSEY, INC.	9206	ORANGE	NJ
—	973-326	0XXX2XXX8XXX · 3 holders which blocks →	VERIZON NEW JERSEY, INC.	9206	MORRISTOWN	NJ
—	973-327	0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 7 holders which blocks →	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	SO ORANGE	NJ
—	973-328	not yet reported which blocks →	VERIZON NEW JERSEY, INC.	9206	DOVER	NJ
—	973-329	0XXX1XXX3XXX4XXX6XXX8XXX9XXX · 3 holders which blocks →	PAETEC ITEL, LLC	829J	BLOOMFIELD	NJ
—	973-330	1XXX2XXX6XXX7XXX8XXX · 2 holders which blocks →	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	PASSAIC	NJ
—	973-331	not yet reported which blocks →	VERIZON NEW JERSEY, INC.	9206	BOONTON	NJ
—	973-332	none assigned yet which blocks →	METROPCS, INC.	5562	NEWARK	NJ
—	973-334	not yet reported which blocks →	VERIZON NEW JERSEY, INC.	9206	BOONTON	NJ
—	973-335	not yet reported which blocks →	VERIZON NEW JERSEY, INC.	9206	BOONTON	NJ
—	973-338	2XXX which blocks →	VERIZON NEW JERSEY, INC.	9206	BLOOMFIELD	NJ
—	973-339	0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 8 holders which blocks →	AT&T - LOCAL	7421	LITTLE FLS	NJ
—	973-340	not yet reported which blocks →	VERIZON NEW JERSEY, INC.	9206	PASSAIC	NJ
—	973-341	0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 4 holders which blocks →	AT&T - LOCAL	7421	PATERSON	NJ
—	973-343	1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks →	PAETEC ITEL, LLC	829J	DOVER	NJ
—	973-344	not yet reported which blocks →	VERIZON NEW JERSEY, INC.	9206	NEWARK	NJ
—	973-345	not yet reported which blocks →	VERIZON NEW JERSEY, INC.	9206	PATERSON	NJ
—	973-346	0–9 XXXall 10 · 6 holders which blocks →	ONVOY, LLC - NJ	637C	MILLBURN	NJ
—	973-347	not yet reported which blocks →	VERIZON NEW JERSEY, INC.	9206	NETCONG	NJ
—	973-348	2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 7 holders which blocks →	AT&T - LOCAL	7421	BERNARDSVL	NJ
—	973-349	0–9 XXXall 10 · 3 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ	6391	MORRISTOWN	NJ
—	973-350	4XXX6XXX · 2 holders which blocks →	VERIZON NEW JERSEY, INC.	9206	NEWARK	NJ
—	973-351	4XXX5XXX · 2 holders which blocks →	VERIZON NEW JERSEY, INC.	9206	NEWARK	NJ

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.