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 757
VERIZON VIRGINIA, INC. 220
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 105
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 80
COMCAST IP PHONE, LLC 73
PAETEC ITEL, LLC 48
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
— 757-623 not yet reported which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-624 0XXX which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-625 not yet reported which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-626 6XXX9XXX · 2 holders which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-627 not yet reported which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-628 not yet reported which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-629 3XXX4XXX8XXX · 2 holders which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-630 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 NRFOLKZON2 VA
— 757-631 not yet reported which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-635 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 NRFOLKZON2 VA
— 757-636 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 NRFOLKZON2 VA
— 757-637 0XXX1XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → COMCAST IP PHONE, LLC 318J NWPTNWSZN2 VA
— 757-638 8XXX which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON3 VA
— 757-639 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NRFOLKZON2 VA
— 757-640 not yet reported which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-641 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 NRFOLKZON2 VA
— 757-642 2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 NRFOLKZON2 VA
— 757-643 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → PAETEC ITEL, LLC 829J NWPTNWSZN1 VA
— 757-644 0–9 XXXall 10 · 4 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - VA 8825 NRFOLKZON2 VA
— 757-645 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - VA 8825 WILLIAMSBG VA
— 757-646 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 NRFOLKZON2 VA
— 757-647 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 NRFOLKZON2 VA
— 757-650 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 NRFOLKZON2 VA
— 757-651 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 NRFOLKZON2 VA
— 757-652 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NRFOLKZON2 VA
— 757-653 1XXX4XXX5XXX6XXX7XXX8XXX · 2 holders which blocks → VERIZON SOUTH, INC. - VA (CONTEL) 0233 COURTLAND VA
— 757-654 1XXX2XXX3XXX4XXX5XXX7XXX8XXX · 5 holders which blocks → VERIZON SOUTH, INC. - VA (CONTEL) 0233 BOYKINS VA
— 757-657 0XXX1XXX2XXX3XXX4XXX5XXX8XXX · 5 holders which blocks → VERIZON SOUTH, INC. - VA (CONTEL) 0233 HOLLAND VA
— 757-661 not yet reported which blocks → SPOK, INC. 6630 NRFOLKZON2 VA
— 757-664 9XXX which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-665 0XXX2XXX3XXX8XXX9XXX · 4 holders which blocks → VERIZON VIRGINIA, INC. 9213 PARKSLEY VA
— 757-667 0XXX1XXX8XXX9XXX · 2 holders which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-668 not yet reported which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-669 not yet reported which blocks → SPOK, INC. 6630 NRFOLKZON2 VA
— 757-670 0XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-671 not yet reported which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-672 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NRFOLKZON2 VA
— 757-673 1XXX8XXX9XXX which blocks → COMCAST IP PHONE, LLC 318J NRFOLKZON3 VA
— 757-675 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NRFOLKZON2 VA
— 757-676 0XXX1XXX2XXX which blocks → METROPCS, INC. 5562 NRFOLKZON1 VA
— 757-677 0XXX1XXX5XXX6XXX · 4 holders which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-678 1XXX2XXX3XXX4XXX6XXX8XXX · 3 holders which blocks → VERIZON VIRGINIA, INC. 9213 EASTVILLE VA
— 757-680 not yet reported which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-681 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 6827 NRFOLKZON3 VA
— 757-682 not yet reported which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-683 0XXX which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-686 not yet reported which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON3 VA
— 757-687 0XXX9XXX · 2 holders which blocks → VERIZON VIRGINIA, INC. 9213 NRFOLKZON2 VA
— 757-688 not yet reported which blocks → COMCAST IP PHONE, LLC 318J NWPTNWSZN1 VA
— 757-689 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → COMCAST IP PHONE, LLC 318J NRFOLKZON4 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.