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 701
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
701-652 none assigned yet which blocks → DAKOTA CENTRAL TELECOM I, INC. 1683 CARRINGTON ND
701-653 none assigned yet which blocks → DAKOTA CENTRAL TELECOM I, INC. 1683 CARRINGTON ND
701-654 not yet reported which blocks → WEST RIVER TELECOMMUNICATIONS COOP. - ND 4413 UNDERWOOD ND
701-655 not yet reported which blocks → POLAR COMMUN MUTUAL AID CORP. 1630 BROCKET ND
701-656 not yet reported which blocks → TURTLE MOUNTAIN COMMUN., INC. 1678 BISBEE ND
701-657 not yet reported which blocks → POLAR COMMUN MUTUAL AID CORP. 1630 CRYSTAL ND
701-662 not yet reported which blocks → NORTH DAKOTA TELEPHONE CO. 1447 DEVILSLAKE ND
701-663 not yet reported which blocks → QWEST CORPORATION 9631 BISMARCK ND
701-664 not yet reported which blocks → NORTHWEST COMMUNICATIONS COOP. 1625 TIOGA ND
701-665 not yet reported which blocks → NORTH DAKOTA TELEPHONE CO. 1447 DEVILSLAKE ND
701-667 not yet reported which blocks → QWEST CORPORATION 9631 BISMARCK ND
701-668 not yet reported which blocks → INTER-COMMUNITY TELEPHONE COMPANY, LLC 1616 PAGE ND
701-669 not yet reported which blocks → DICKEY RURAL TEL. COOP. 1611 MARION ND
701-671 0XXX5XXX8XXX9XXX · 4 holders which blocks → QWEST CORPORATION 9631 WAHPETON ND
701-672 not yet reported which blocks → VAL-ED JOINT VENTURE, LLP DBA 702 COMMUNICATIONS 2737 WAHPETON ND
701-673 not yet reported which blocks → BEK COMMUNICATIONS COOPERATIVE 1604 MCKENZIE ND
701-674 not yet reported which blocks → DAKOTA CENTRAL TELECOMMUNICATIONS COOP. 1610 GRACE CITY ND
701-675 not yet reported which blocks → RESERVATION TEL. COOP. 1632 KEENE ND
701-676 not yet reported which blocks → GRIGGS COUNTY TEL. CO. 1615 BINFORD ND
701-677 not yet reported which blocks → CONSOLIDATED TELCOM 1607 SOUTHHEART ND
701-678 not yet reported which blocks → DICKEY RURAL TEL. COOP. 1611 GWINNER ND
701-679 none assigned yet which blocks → RESERVATION TEL. COOP. 1632 MAX ND
701-680 4XXX6XXX which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ND 6568 GWINNER ND
701-681 2XXX8XXX9XXX · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ND 6568 RUGBY ND
701-682 not yet reported which blocks → UNITED TEL. MUTUAL AID CORP. 1636 MUNICH ND
701-683 not yet reported which blocks → DICKEY RURAL TEL. COOP. 1611 LISBON ND
701-684 not yet reported which blocks → DICKEY RURAL TEL. COOP. 1611 VENTURIA ND
701-685 not yet reported which blocks → DICKEY RURAL TEL. COOP. 1611 JUD ND
701-688 not yet reported which blocks → MID-RIVERS TEL. COOP., INC. 2246 E CARLYLE ND
701-689 not yet reported which blocks → INTER-COMMUNITY TELEPHONE COMPANY, LLC 1616 ALICE ND
701-690 2XXX4XXX5XXX which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ND 6568 DICKINSON ND
701-693 none assigned yet which blocks → SRT COMMUNICATIONS, INC. 3303 MARTIN ND
701-694 not yet reported which blocks → NORTHWEST COMMUNICATIONS COOP. 1625 GRENORA ND
701-696 0XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → QWEST CORPORATION 9631 MANVEL ND
701-697 not yet reported which blocks → UNITED TEL. MUTUAL AID CORP. 1636 SARLES ND
701-698 not yet reported which blocks → DICKEY RURAL TEL. COOP. 1611 FREDONIA ND
701-699 0XXX4XXX6XXX7XXX8XXX · 3 holders which blocks → CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 1123 WEST OSLO ND
701-700 not yet reported which blocks → ND
701-701 not yet reported which blocks → ND
701-709 none assigned yet which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 EDGELEY ND
701-710 4XXX5XXX · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 GUELPH ND
701-711 not yet reported which blocks → MULTIPLE OCN LISTING MULT XXXXXXXXXX ND
701-712 0–9 XXXall 10 · 4 holders which blocks → ONVOY, LLC - ND 452F BISMARCK ND
701-720 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MINOT ND
701-721 not yet reported which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MINOT ND
701-722 7XXX which blocks → SRT COMMUNICATIONS, INC. 3303 SO PRAIRIE ND
701-723 not yet reported which blocks → SRT COMMUNICATIONS, INC. 3303 MINOT AFB ND
701-724 not yet reported which blocks → DICKEY RURAL TEL. COOP. 1611 FORMAN ND
701-725 not yet reported which blocks → SRT COMMUNICATIONS, INC. 3303 DES LACS ND
701-726 not yet reported which blocks → RESERVATION TEL. COOP. 1632 MAKOTI ND

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.