Recent prefix assignments

1 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, last 30 days — NPA 830
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
2026-08-21 830-993 0XXX1XXX2XXX which blocks → ONVOY, LLC - TX 903C NEWBRANFLS TX
2026-07-22 830-994 1XXX which blocks → TWC IP ENABLED SERVICES, LLC 793K SUTHELDSPG TX
2026-07-21 830-530 0XXX which blocks → VOIP INNOVATIONS, LLC 597F PEARSALL TX
2025-08-28 830-652 0–9 XXXall 10 · 4 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NEWBRANFLS TX
2025-02-06 830-987 0XXX1XXX which blocks → ONVOY, LLC - TX 903C MARBLE FLS TX
2025-01-27 830-432 0XXX1XXX2XXX7XXX9XXX · 3 holders which blocks → T-MOBILE USA, INC. 6529 FLORESVL TX
2024-10-29 830-835 0XXX1XXX2XXX · 2 holders which blocks → TWILIO INTERNATIONAL, INC. 506J BULVERDE TX
2024-03-20 830-651 1XXX5XXX · 2 holders which blocks → CSC VOICE, LLC 612K KERRVILLE TX
2024-02-21 830-838 0XXX which blocks → ONVOY SPECTRUM, LLC 624H ROUND MT TX
2024-01-05 830-451 0XXX6XXX · 2 holders which blocks → BOOST SUBSCRIBERCO L.L.C. 490J INGRAM TX
2023-12-21 830-417 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX which blocks → COMMIO, LLC 939H UVALDE TX
2023-12-20 830-717 0–9 XXXall 10 · 2 holders which blocks → COMMIO, LLC 939H NEWBRANFLS TX
2023-09-29 830-430 0XXX1XXX2XXX4XXX7XXX8XXX9XXX · 4 holders which blocks → TWILIO INTERNATIONAL, INC. 506J FREDECKSBG TX
2023-09-12 830-412 1XXX2XXX8XXX · 3 holders which blocks → LEVEL 3 COMMUNICATIONS, LLC - TX 6114 KERRVILLE TX
2023-08-15 830-394 0–9 XXXwhole prefix which blocks → COMMIO, LLC 939H KENEDY TX
2023-08-15 830-403 0–9 XXXwhole prefix which blocks → COMMIO, LLC 939H BATESVILLE TX
2023-08-15 830-404 0XXX1XXX2XXX3XXX4XXX8XXX · 2 holders which blocks → COMMIO, LLC 939H NIXON TX
2023-08-15 830-405 0–9 XXXwhole prefix which blocks → COMMIO, LLC 939H RUNGE TX
2023-08-15 830-408 0–9 XXXwhole prefix which blocks → COMMIO, LLC 939H SABINAL TX
2023-06-26 830-389 0XXX which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 BARKSDALE TX
2023-03-10 830-470 0–9 XXXall 10 · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 BOERNE TX
2023-02-16 830-516 0XXX1XXX2XXX3XXX4XXX5XXX8XXX9XXX · 2 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 EAGLE PASS TX
2022-11-08 830-436 1XXX2XXX3XXX which blocks → NUSO, LLC 732J PEARSALL TX
2022-11-07 830-453 0XXX1XXX2XXX3XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 DEL RIO TX
2022-11-07 830-475 0–9 XXXall 10 · 4 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 SEGUIN TX
2022-10-31 830-384 0XXX1XXX2XXX3XXX4XXX8XXX9XXX · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 HONDO TX
2022-10-11 830-381 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 NEWBRANFLS TX
2022-10-03 830-300 0XXX3XXX6XXX8XXX · 3 holders which blocks → ONVOY, LLC - TX 903C COST TX
2022-09-28 830-297 0XXX1XXX5XXX6XXX7XXX9XXX · 3 holders which blocks → T-MOBILE USA, INC. 6529 CARRIZOSPG TX
2022-09-28 830-369 0–9 XXXall 10 · 4 holders which blocks → T-MOBILE USA, INC. 6529 NEWBRANFLS TX
2022-09-28 830-830 0–9 XXXwhole prefix which blocks → ONVOY, LLC - TX 903C DEL RIO TX
2022-09-02 830-371 0–9 XXXall 10 · 2 holders which blocks → ONVOY, LLC - TX 903C MARBLE FLS TX
2022-08-12 830-289 0–9 XXXall 10 · 3 holders which blocks → T-MOBILE USA, INC. 6529 UVALDE TX
2022-07-15 830-259 0–9 XXXall 10 · 3 holders which blocks → HD CARRIER LLC 321J FLORESVL TX
2022-06-28 830-245 0–9 XXXwhole prefix which blocks → STPCS JOINT VENTURE, LLC 4290 DEL RIO TX
2022-05-24 830-235 0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J SEGUIN TX
2022-05-13 830-233 0XXX3XXX8XXX9XXX · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 POTEET TX
2022-02-24 830-782 2XXX7XXX · 2 holders which blocks → TON80 COMMUNICATIONS, LLC 516J STONEWALL TX
2022-02-24 830-886 6XXX8XXX · 2 holders which blocks → TON80 COMMUNICATIONS, LLC 516J VINEGRROON TX
2022-02-22 830-633 3XXX6XXX · 2 holders which blocks → TON80 COMMUNICATIONS, LLC 516J UTOPIA TX
2022-02-18 830-526 3XXX which blocks → TON80 COMMUNICATIONS, LLC 516J SISTERDALE TX
2022-02-18 830-546 4XXX7XXX · 2 holders which blocks → TON80 COMMUNICATIONS, LLC 516J ROCKYCREEK TX
2022-02-16 830-568 3XXX7XXX · 2 holders which blocks → TON80 COMMUNICATIONS, LLC 516J KINGSBURY TX
2022-02-16 830-744 4XXX6XXX · 2 holders which blocks → TON80 COMMUNICATIONS, LLC 516J D HANIS TX
2022-02-16 830-942 0XXX6XXX · 2 holders which blocks → TON80 COMMUNICATIONS, LLC 516J HARPER TX
2022-02-08 830-366 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 5 holders which blocks → T-MOBILE USA, INC. 6529 PLEASANTON TX
2022-01-25 830-390 0XXX1XXX2XXX3XXX4XXX5XXX6XXX8XXX9XXX · 6 holders which blocks → COMMIO, LLC 939H SEGUIN TX
2021-12-20 830-359 0–9 XXXall 10 · 4 holders which blocks → T-MOBILE USA, INC. 6529 NEWBRANFLS TX
2021-12-15 830-350 0–9 XXXall 10 · 2 holders which blocks → STPCS JOINT VENTURE, LLC 4290 DEL RIO TX
2021-12-08 830-380 0–9 XXXall 10 · 2 holders which blocks → ONVOY, LLC - TX 903C BULVERDE TX

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.