NumberResearch Membership · Data 09/25/2026

Recent prefix assignments

358 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/25/2026

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 31
ONVOY, LLC - CA 27
NEW CINGULAR WIRELESS PCS, LLC - IL 27
ONVOY, LLC - NJ 15
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
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Recent NPA-NXX prefix assignments
AssignedNPA-NXXThousands-blocks taken (last-4 opening)Code holderOCNRate centerState
— 856-650 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 7142 CAMDEN NJ
— 856-651 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → VERIZON NEW JERSEY, INC. 9206 HADDONFLD NJ
— 856-652 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → PAETEC ITEL, LLC 829J GLASSBORO NJ
— 856-656 1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → PAETEC ITEL, LLC 829J HADDON HTS NJ
— 856-661 7XXX which blocks → VERIZON NEW JERSEY, INC. 9206 MERCHANTVL NJ
— 856-662 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 MERCHANTVL NJ
— 856-663 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 MERCHANTVL NJ
— 856-665 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 MERCHANTVL NJ
— 856-666 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC - NJ 637C PAULSBORO NJ
— 856-667 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 MERCHANTVL NJ
— 856-668 0XXX1XXX3XXX4XXX5XXX6XXX7XXX9XXX · 4 holders which blocks → PAETEC ITEL, LLC 829J CAMDEN NJ
— 856-669 1XXX3XXX4XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → PAETEC ITEL, LLC 829J HADDONFLD NJ
— 856-672 1XXX3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks → VERIZON NEW JERSEY, INC. 9206 HADDON HTS NJ
— 856-673 6XXX8XXX9XXX which blocks → PAETEC ITEL, LLC 829J HADDONFLD NJ
— 856-675 0XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → PAETEC ITEL, LLC 829J MERCHANTVL NJ
— 856-678 0XXX which blocks → VERIZON NEW JERSEY, INC. 9206 PENNSGROVE NJ
— 856-679 1XXX7XXX8XXX9XXX · 3 holders which blocks → PAETEC ITEL, LLC 829J LAUREL SPG NJ
— 856-681 0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 6 holders which blocks → PAETEC ITEL, LLC 829J WENONAH NJ
— 856-686 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 WOODBURY NJ
— 856-687 3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks → PAETEC ITEL, LLC 829J PAULSBORO NJ
— 856-689 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - NJ 4804 WOODBURY NJ
— 856-690 2XXX which blocks → VERIZON NEW JERSEY, INC. 9206 VINELAND NJ
— 856-691 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 VINELAND NJ
— 856-692 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 VINELAND NJ
— 856-694 7XXX8XXX · 2 holders which blocks → VERIZON NEW JERSEY, INC. 9206 FRANKLINVL NJ
— 856-696 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 VINELAND NJ
— 856-697 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 VINELAND NJ
— 856-700 not yet reported which blocks → NJ
— 856-701 0–9 XXXwhole prefix which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 6391 HADDONFLD NJ
— 856-703 4XXX5XXX7XXX9XXX · 3 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - NJ 7142 MARLTON NJ
— 856-705 5XXX8XXX · 2 holders which blocks → PAETEC ITEL, LLC 829J RIVERSIDE NJ
— 856-711 not yet reported which blocks → MULTIPLE OCN LISTING MULT XXXXXXXXXX NJ
— 856-717 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 XXXXXXXXXX NJ
— 856-718 0XXX1XXX2XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → PAETEC ITEL, LLC 829J BLACKWOOD NJ
— 856-719 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 BERLIN NJ
— 856-720 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → NETCARRIER TELECOM, INC. - NJ 9003 GLOUCESTER NJ
— 856-722 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 MOORESTOWN NJ
— 856-727 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 MOORESTOWN NJ
— 856-728 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 WILLIAMSTN NJ
— 856-729 0–9 XXXall 10 · 5 holders which blocks → METROPCS, INC. 5562 CAMDEN NJ
— 856-733 0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 4 holders which blocks → PAETEC ITEL, LLC 829J RIVERTON NJ
— 856-735 1XXX3XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → PAETEC ITEL, LLC 829J RIVERTON NJ
— 856-738 not yet reported which blocks → SPOK, INC. 6630 HADDONFLD NJ
— 856-739 0–9 XXXall 10 · 4 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HADDON HTS NJ
— 856-740 7XXX which blocks → VERIZON NEW JERSEY, INC. 9206 WILLIAMSTN NJ
— 856-741 2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NJ 7134 LAUREL SPG NJ
— 856-742 2XXX6XXX which blocks → VERIZON NEW JERSEY, INC. 9206 GLOUCESTER NJ
— 856-745 0–9 XXXwhole prefix which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 6391 HADDONFLD NJ
— 856-751 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 HADDONFLD NJ
— 856-752 not yet reported which blocks → SPOK, INC. 6630 COLLINGSWD NJ

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/25/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.