NumberResearch Membership · Data 09/19/2026

Recent prefix assignments

0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026

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 434
BRIGHTSPEED OF VIRGINIA, LLC 76
NEW CINGULAR WIRELESS PCS, LLC - DC 44
VERIZON VIRGINIA, INC. 42
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 32
ONVOY, LLC - VA 28
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
Clear Download CSV ↓
Recent NPA-NXX prefix assignments
AssignedNPA-NXXThousands-blocks taken (last-4 opening)Code holderOCNRate centerState
— 434-582 0XXX9XXX · 2 holders which blocks → VERIZON VIRGINIA, INC. 9213 LYNCHBURG VA
— 434-584 3XXX4XXX5XXX7XXX8XXX9XXX · 4 holders which blocks → BRIGHTSPEED OF VIRGINIA, LLC 0254 SOUTH HILL VA
— 434-585 6XXX which blocks → BRIGHTSPEED OF VIRGINIA, LLC 0254 VIRGILINA VA
— 434-589 not yet reported which blocks → BRIGHTSPEED OF VIRGINIA, LLC 0254 PALMYRA VA
— 434-591 5XXX7XXX8XXX9XXX · 2 holders which blocks → BRIGHTSPEED OF VIRGINIA, LLC 0254 PALMYRA VA
— 434-592 0XXX1XXX8XXX · 2 holders which blocks → VERIZON VIRGINIA, INC. 9213 LYNCHBURG VA
— 434-609 8XXX9XXX which blocks → UNITED STATES CELLULAR - VA 6283 LYNCHBURG VA
— 434-610 none assigned yet which blocks → UNITED STATES CELLULAR - VA 6283 LYNCHBURG VA
— 434-611 not yet reported which blocks → MULTIPLE OCN LISTING MULT XXXXXXXXXX VA
— 434-634 not yet reported which blocks → VERIZON SOUTH, INC. - VA (CONTEL) 0233 EMPORIA VA
— 434-636 not yet reported which blocks → EMPOWER TELECOM, INC. 0219 BLACKRIDGE VA
— 434-637 4XXX8XXX9XXX · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 EMPORIA VA
— 434-645 5XXX which blocks → BRIGHTSPEED OF VIRGINIA, LLC 0254 CREWE VA
— 434-656 not yet reported which blocks → PEOPLES MUTUAL TEL. CO. 0244 GRETNA VA
— 434-658 0XXX1XXX2XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → VERIZON SOUTH, INC. - VA (CONTEL) 0233 CAPRON VA
— 434-660 none assigned yet which blocks → UNITED STATES CELLULAR - VA 6283 LYNCHBURG VA
— 434-661 1XXX2XXX3XXX4XXX5XXX6XXX9XXX · 5 holders which blocks → UNITED STATES CELLULAR - VA 6283 AMHERST VA
— 434-664 0XXX1XXX2XXX3XXX4XXX5XXX6XXX · 6 holders which blocks → UNITED STATES CELLULAR - VA 6283 APPOMATTOX VA
— 434-665 none assigned yet which blocks → UNITED STATES CELLULAR - VA 6283 LYNCHBURG VA
— 434-676 7XXX which blocks → BRIGHTSPEED OF VIRGINIA, LLC 0254 KENBRIDGE VA
— 434-685 not yet reported which blocks → BRIGHTSPEED OF VIRGINIA, LLC 0254 BACHESHALL VA
— 434-689 not yet reported which blocks → EMPOWER TELECOM, INC. 0219 BEECHWOOD VA
— 434-696 0XXX7XXX8XXX · 2 holders which blocks → BRIGHTSPEED OF VIRGINIA, LLC 0254 VICTORIA VA
— 434-700 not yet reported which blocks → VA
— 434-703 not yet reported which blocks → VA
— 434-709 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 DANVILLE VA
— 434-710 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 DANVILLE VA
— 434-711 not yet reported which blocks → MULTIPLE OCN LISTING MULT XXXXXXXXXX VA
— 434-713 2XXX3XXX4XXX5XXX6XXX7XXX · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 DANVILLE VA
— 434-724 8XXX9XXX · 2 holders which blocks → BRIGHTSPEED OF VIRGINIA, LLC 0254 WHITMELL VA
— 434-729 6XXX7XXX9XXX · 2 holders which blocks → BRIGHTSPEED OF VIRGINIA, LLC 0254 BRODNAX VA
— 434-735 1XXX2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 5 holders which blocks → VERIZON SOUTH, INC. - VA (CONTEL) 0233 BARNESVL VA
— 434-736 1XXX4XXX5XXX6XXX7XXX · 5 holders which blocks → VERIZON SOUTH, INC. - VA (CONTEL) 0233 KEYSVILLE VA
— 434-738 1XXX2XXX3XXX4XXX5XXX7XXX8XXX · 4 holders which blocks → VERIZON SOUTH, INC. - VA (CONTEL) 0233 BOYDTON VA
— 434-753 7XXX8XXX · 2 holders which blocks → BRIGHTSPEED OF VIRGINIA, LLC 0254 TURBEVILLE VA
— 434-757 3XXX6XXX · 2 holders which blocks → BRIGHTSPEED OF VIRGINIA, LLC 0254 LA CROSSE VA
— 434-766 3XXX which blocks → VERIZON VIRGINIA, INC. 9213 DANVILLE VA
— 434-767 1XXX8XXX · 2 holders which blocks → BRIGHTSPEED OF VIRGINIA, LLC 0254 BURKEVILLE VA
— 434-770 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 DANVILLE VA
— 434-773 3XXX which blocks → VERIZON VIRGINIA, INC. 9213 DANVILLE VA
— 434-774 none assigned yet which blocks → BRIGHTSPEED OF VIRGINIA, LLC 0254 SOUTH HILL VA
— 434-791 not yet reported which blocks → VERIZON VIRGINIA, INC. 9213 DANVILLE VA
— 434-792 not yet reported which blocks → VERIZON VIRGINIA, INC. 9213 DANVILLE VA
— 434-793 not yet reported which blocks → VERIZON VIRGINIA, INC. 9213 DANVILLE VA
— 434-797 not yet reported which blocks → VERIZON VIRGINIA, INC. 9213 DANVILLE VA
— 434-799 not yet reported which blocks → VERIZON VIRGINIA, INC. 9213 DANVILLE VA
— 434-804 not yet reported which blocks → VA
— 434-811 not yet reported which blocks → MULTIPLE OCN LISTING MULT XXXXXXXXXX VA
— 434-812 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 7 holders which blocks → BRIGHTSPEED OF VIRGINIA, LLC 0254 CROZET VA
— 434-813 1XXX6XXX7XXX8XXX which blocks → BRIGHTSPEED OF VIRGINIA, LLC 0254 FORK UNION VA

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.