NumberResearch Membership · Data 09/21/2026

Recent prefix assignments

0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/21/2026

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, all time — NPA 856
VERIZON NEW JERSEY, INC. 181
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
— 856-424 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 HADDONFLD NJ
— 856-427 8XXX which blocks → VERIZON NEW JERSEY, INC. 9206 HADDONFLD NJ
— 856-428 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 HADDONFLD NJ
— 856-429 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 HADDONFLD NJ
— 856-435 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 LAUREL SPG NJ
— 856-439 6XXX which blocks → VERIZON NEW JERSEY, INC. 9206 MOORESTOWN NJ
— 856-442 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 9 holders which blocks → VERIZON NEW JERSEY, INC. 9206 GLASSBORO NJ
— 856-447 1XXX2XXX6XXX7XXX8XXX · 5 holders which blocks → VERIZON NEW JERSEY, INC. 9206 CEDARVILLE NJ
— 856-451 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 BRIDGETON NJ
— 856-453 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 BRIDGETON NJ
— 856-455 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 BRIDGETON NJ
— 856-456 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 GLOUCESTER NJ
— 856-459 5XXX6XXX · 2 holders which blocks → VERIZON NEW JERSEY, INC. 9206 BRIDGETON NJ
— 856-461 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 RIVERSIDE NJ
— 856-464 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 WENONAH NJ
— 856-467 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 SWEDESBORO NJ
— 856-468 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 WENONAH NJ
— 856-478 1XXX3XXX5XXX7XXX8XXX · 3 holders which blocks → VERIZON NEW JERSEY, INC. 9206 MULLICA HL NJ
— 856-482 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 MERCHANTVL NJ
— 856-486 5XXX which blocks → VERIZON NEW JERSEY, INC. 9206 MERCHANTVL NJ
— 856-488 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 MERCHANTVL NJ
— 856-489 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 HADDONFLD NJ
— 856-507 3XXX which blocks → VERIZON NEW JERSEY, INC. 9206 VINELAND NJ
— 856-540 0XXX1XXX5XXX7XXX8XXX9XXX · 3 holders which blocks → VERIZON NEW JERSEY, INC. 9206 PENNSGROVE NJ
— 856-541 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 CAMDEN NJ
— 856-546 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 HADDON HTS NJ
— 856-547 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 HADDON HTS NJ
— 856-550 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 XXXXXXXXXX NJ
— 856-563 4XXX6XXX8XXX · 3 holders which blocks → VERIZON NEW JERSEY, INC. 9206 VINELAND NJ
— 856-566 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 LAUREL SPG NJ
— 856-573 0XXX4XXX8XXX · 2 holders which blocks → VERIZON NEW JERSEY, INC. 9206 HADDON HTS NJ
— 856-575 1XXX2XXX3XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → VERIZON NEW JERSEY, INC. 9206 BRIDGETON NJ
— 856-580 0XXX1XXX2XXX3XXX4XXX7XXX · 2 holders which blocks → VERIZON NEW JERSEY, INC. 9206 CAMDEN NJ
— 856-582 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 PITMAN NJ
— 856-589 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 PITMAN NJ
— 856-590 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 CAMDEN NJ
— 856-596 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 MARLTON NJ
— 856-608 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 MOORESTOWN NJ
— 856-614 4XXX9XXX · 2 holders which blocks → VERIZON NEW JERSEY, INC. 9206 CAMDEN NJ
— 856-616 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 HADDONFLD NJ
— 856-619 0XXX1XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → VERIZON NEW JERSEY, INC. 9206 CAMDEN NJ
— 856-627 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 LAUREL SPG NJ
— 856-629 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 WILLIAMSTN NJ
— 856-635 3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → VERIZON NEW JERSEY, INC. 9206 CAMDEN NJ
— 856-638 5XXX8XXX9XXX · 3 holders which blocks → VERIZON NEW JERSEY, INC. 9206 MOORESTOWN NJ
— 856-642 not yet reported which blocks → VERIZON NEW JERSEY, INC. 9206 MOORESTOWN NJ
— 856-651 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → VERIZON NEW JERSEY, INC. 9206 HADDONFLD 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

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.