NumberResearch Membership · Data 09/29/2026

Recent prefix assignments

347 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/29/2026

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 28
Rogers Communications Canada Inc. (Wireless) 23
NEW CINGULAR WIRELESS PCS, LLC - IL 23
ONVOY, LLC - CA 19
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
— 412-648 not yet reported which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTTSBGZON1 PA
— 412-649 not yet reported which blocks → SPOK, INC. 6630 PTGSBNZN14 PA
— 412-650 0XXX4XXX which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTGSBNZN11 PA
— 412-653 not yet reported which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTGSBNZN11 PA
— 412-654 0XXX2XXX which blocks → AERIAL COMMUNICATIONS, INC. 6701 PTTSBGZON5 PA
— 412-655 not yet reported which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTGSBNZN11 PA
— 412-656 0XXX2XXX · 2 holders which blocks → AERIAL COMMUNICATIONS, INC. 6701 PTTSBGZON5 PA
— 412-658 not yet reported which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTTSBGZON1 PA
— 412-661 not yet reported which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTTSBGZON8 PA
— 412-663 0XXX3XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → ONVOY, LLC - PA 547E PTGSBNZN16 PA
— 412-664 5XXX which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTGSBNZN10 PA
— 412-665 7XXX9XXX · 2 holders which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTTSBGZON8 PA
— 412-666 7XXX9XXX · 2 holders which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTGSBNZN22 PA
— 412-667 0XXX1XXX2XXX3XXX4XXX8XXX9XXX · 3 holders which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTTSBGZON1 PA
— 412-669 not yet reported which blocks → SPOK, INC. 6630 PTTSBGZON6 PA
— 412-670 none assigned yet which blocks → AERIAL COMMUNICATIONS, INC. 6701 PTTSBGZON1 PA
— 412-671 none assigned yet which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 BEAVER FLS PA
— 412-672 not yet reported which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTGSBNZN10 PA
— 412-673 not yet reported which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTGSBNZN10 PA
— 412-675 1XXX which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTGSBNZN10 PA
— 412-678 not yet reported which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTGSBNZN10 PA
— 412-680 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PTTSBGZON1 PA
— 412-681 not yet reported which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTTSBGZON1 PA
— 412-682 8XXX9XXX which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTTSBGZON1 PA
— 412-683 not yet reported which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTTSBGZON1 PA
— 412-684 2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → FIDIUM ENTERPRISE SERVICES, LLC 8597 PTGSBNZN18 PA
— 412-685 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PTTSBGZON5 PA
— 412-686 not yet reported which blocks → SPOK, INC. 6630 PTGSBNZN14 PA
— 412-687 not yet reported which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTTSBGZON1 PA
— 412-688 6XXX which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTTSBGZON1 PA
— 412-690 0XXX1XXX5XXX7XXX9XXX · 4 holders which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTTSBGZON1 PA
— 412-691 not yet reported which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 UNIONTOWN PA
— 412-692 0XXX1XXX which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTTSBGZON1 PA
— 412-695 2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → ONVOY, LLC - PA 547E PTGSBNZN17 PA
— 412-696 2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → FIDIUM ENTERPRISE SERVICES, LLC 8597 PTTSBGZON3 PA
— 412-697 not yet reported which blocks → PAETEC ITEL, LLC 829J PTTSBGZON1 PA
— 412-698 not yet reported which blocks → SPOK, INC. 6630 PTTSBGZON1 PA
— 412-700 not yet reported which blocks → PA
— 412-701 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 6 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PTGSBNZN21 PA
— 412-702 2XXX4XXX6XXX7XXX8XXX · 3 holders which blocks → MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PTGSBNZN22 PA
— 412-704 2XXX3XXX4XXX6XXX8XXX9XXX · 3 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - PA 7315 PTGSBNZN21 PA
— 412-705 not yet reported which blocks → VERIZON PENNSYLVANIA, INC. 9208 PTTSBGZON1 PA
— 412-706 0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 3 holders which blocks → ADVANCED TELEPHONE SYS INC DBA HTC COMMUNICATIONS 2522 PTGSBNZN14 PA
— 412-708 not yet reported which blocks → AERIAL COMMUNICATIONS, INC. 6701 PTTSBGZON1 PA
— 412-711 not yet reported which blocks → MULTIPLE OCN LISTING MULT XXXXXXXXXX PA
— 412-712 0XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → FIDIUM ENTERPRISE SERVICES, LLC 8597 PTGSBNZN21 PA
— 412-714 1XXX2XXX5XXX6XXX7XXX9XXX · 4 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - PA 7315 PTGSBNZN11 PA
— 412-715 0–9 XXXall 10 · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - PA 6392 PTTSBGZON1 PA
— 412-716 2XXX which blocks → METROPCS, INC. 5562 PTGSBNZN15 PA
— 412-717 0XXX1XXX2XXX3XXX4XXX7XXX8XXX · 5 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - PA 7315 PTGSBNZN22 PA

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/29/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.