NumberResearch Membership · Data 09/20/2026

Recent prefix assignments

355 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
8X8, INC. 38
ONVOY, LLC - CA 31
NEW CINGULAR WIRELESS PCS, LLC - IL 28
NEW CINGULAR WIRELESS PCS, LLC - DC 26
ONVOY, LLC - NJ 18
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
— 914-667 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 MT VERNON NY
— 914-668 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 MT VERNON NY
— 914-669 2XXX3XXX4XXX6XXX · 3 holders which blocks → VERIZON NEW YORK, INC. 9104 NORTHSALEM NY
— 914-670 1XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN06 NY
— 914-671 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WSCHSTZN08 NY
— 914-672 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WSCHSTZN08 NY
— 914-673 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WSCHSTZN08 NY
— 914-674 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN04 NY
— 914-681 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN08 NY
— 914-682 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN08 NY
— 914-683 none assigned yet which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN08 NY
— 914-684 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN08 NY
— 914-686 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN08 NY
— 914-689 0–9 XXXall 10 · 5 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - NY 4006 MOUNTKISCO NY
— 914-690 3XXX4XXX6XXX7XXX8XXX · 2 holders which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN09 NY
— 914-693 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN04 NY
— 914-694 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN08 NY
— 914-696 3XXX5XXX which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN08 NY
— 914-697 8XXX which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN08 NY
— 914-698 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN06 NY
— 914-699 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 MT VERNON NY
— 914-700 not yet reported which blocks → NY
— 914-701 1XXX which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN09 NY
— 914-703 0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 3 holders which blocks → PAETEC ITEL, LLC 829J WSCHSTZN07 NY
— 914-705 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - NY 4006 WSCHSTZN08 NY
— 914-706 none assigned yet which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 KINGSTON NY
— 914-707 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WSCHSTZN08 NY
— 914-709 2XXX4XXX5XXX6XXX7XXX · 4 holders which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN01 NY
— 914-711 not yet reported which blocks → MULTIPLE OCN LISTING MULT XXXXXXXXXX NY
— 914-712 4XXX5XXX6XXX8XXX · 4 holders which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN03 NY
— 914-713 3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN05 NY
— 914-714 1XXX7XXX which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 WSCHSTZN06 NY
— 914-715 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 WSCHSTZN06 NY
— 914-719 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → LEVEL 3 TELECOM OF NEW YORK, LP - NY 8473 WSCHSTZN08 NY
— 914-720 none assigned yet which blocks → OMNIPOINT COMMUNICATIONS, INC. - NY 6622 WSCHSTZN08 NY
— 914-721 0XXX1XXX3XXX5XXX6XXX7XXX8XXX9XXX · 7 holders which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN05 NY
— 914-722 none assigned yet which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN05 NY
— 914-723 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN05 NY
— 914-724 not yet reported which blocks → SCARSDALE SECURITY SYSTEMS, INC. 2612 WSCHSTZN08 NY
— 914-725 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN05 NY
— 914-727 0–9 XXXall 10 · 6 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 WSCHSTZN03 NY
— 914-728 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN08 NY
— 914-729 4XXX which blocks → LEVEL 3 COMMUNICATIONS, LLC - NY 4006 WSCHSTZN08 NY
— 914-730 0XXX1XXX2XXX4XXX5XXX6XXX9XXX · 5 holders which blocks → VERIZON NEW YORK, INC. 9104 ARMONK VLG NY
— 914-732 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC- NY 384C WSCHSTZN06 NY
— 914-734 5XXX which blocks → VERIZON NEW YORK, INC. 9104 PEEKSKILL NY
— 914-736 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 PEEKSKILL NY
— 914-737 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 PEEKSKILL NY
— 914-738 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 WSCHSTZN03 NY
— 914-739 not yet reported which blocks → VERIZON NEW YORK, INC. 9104 PEEKSKILL NY

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.