NumberResearch Membership · Data 09/20/2026

Recent prefix assignments

1 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/20/2026

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 940
8X8, INC. 1
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
2022-07-28 940-275 0–9 XXXall 10 · 2 holders which blocks → BANDWIDTH.COM CLEC, LLC - TX 004F GAINESVL TX
2022-03-02 940-335 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → CALLWORKS CORPORATION 475J WICHITAFLS TX
2022-02-16 940-746 0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 6 holders which blocks → TON80 COMMUNICATIONS, LLC 516J HENRIETTA TX
2022-02-07 940-494 4XXX which blocks → TWILIO INTERNATIONAL, INC. 506J WICHITAFLS TX
2022-01-26 940-639 7XXX which blocks → TON80 COMMUNICATIONS, LLC 516J VLY VIEW E TX
2022-01-13 940-837 3XXX4XXX8XXX · 3 holders which blocks → TON80 COMMUNICATIONS, LLC 516J FORESTBURG TX
2021-12-29 940-334 0–9 XXXall 10 · 5 holders which blocks → BOOST SUBSCRIBERCO L.L.C. 490J DENTON TX
2021-12-22 940-332 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 3 holders which blocks → BOOST SUBSCRIBERCO L.L.C. 490J WICHITAFLS TX
2021-09-28 940-319 2XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks → NUSO, LLC 478J WICHITAFLS TX
2021-09-07 940-843 0–9 XXXall 10 · 3 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J DENTON TX
2021-09-07 940-944 0XXX1XXX2XXX3XXX4XXX · 2 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J WICHITAFLS TX
2021-09-07 940-980 0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 3 holders which blocks → SKYE TELECOM LLC DBA SKYETEL 622J DECATUR TX
2021-08-12 940-318 0XXX2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 2 holders which blocks → PEERLESS NETWORK OF TEXAS, LLC - TX 177F WICHITAFLS TX
2021-06-10 940-860 0XXX1XXX2XXX3XXX4XXX7XXX8XXX9XXX · 3 holders which blocks → ONVOY SPECTRUM, LLC 624H ARGYLE TX
2021-05-19 940-424 0XXX1XXX2XXX3XXX4XXX8XXX9XXX · 4 holders which blocks → TELNYX LLC 073H VERNON TX
2021-05-07 940-499 1XXX4XXX6XXX9XXX · 4 holders which blocks → FRACTEL, LLC 965H KRUM TX
2021-05-07 940-599 2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 4 holders which blocks → FRACTEL, LLC 965H SANTO TX
2021-05-07 940-688 0XXX6XXX7XXX8XXX · 3 holders which blocks → FRACTEL, LLC 965H SLIDELL TX
2021-04-29 940-309 0–9 XXXall 10 · 6 holders which blocks → BANDWIDTH.COM CLEC, LLC - TX 004F BURKBURNTT TX
2021-04-14 940-901 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 2 holders which blocks → ONVOY SPECTRUM, LLC 624H WICHITAFLS TX
2021-04-12 940-990 0–9 XXXall 10 · 4 holders which blocks → COMMIO, LLC 939H WICHITAFLS TX
2021-03-18 940-699 5XXX6XXX9XXX · 3 holders which blocks → FRACTEL, LLC 965H BRIDGEPORT TX
2021-01-08 940-296 2XXX3XXX which blocks → ONVOY, LLC - TX 903C PALO PINTO TX
2021-01-08 940-306 0XXX2XXX3XXX4XXX6XXX7XXX9XXX · 2 holders which blocks → ONVOY, LLC - TX 903C TIOGA TX
2020-12-22 940-810 0XXX1XXX2XXX6XXX8XXX · 4 holders which blocks → ONVOY, LLC - TX 903C PILOTPOINT TX
2020-12-18 940-910 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - TX 903C DECATUR TX
2020-12-08 940-410 0XXX4XXX which blocks → ONVOY, LLC - TX 903C WICHITAFLS TX
2020-12-01 940-946 0–9 XXXall 10 · 7 holders which blocks → FRACTEL, LLC 965H JUSTIN TX
2020-12-01 940-977 0–9 XXXall 10 · 3 holders which blocks → FRACTEL, LLC 965H DENTON TX
2020-11-30 940-348 0XXX1XXX2XXX3XXX6XXX7XXX8XXX · 4 holders which blocks → FRACTEL, LLC 965H ALVORD TX
2020-11-30 940-786 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → FRACTEL, LLC 965H BOYD TX
2020-10-29 940-945 0–9 XXXall 10 · 5 holders which blocks → ONVOY, LLC - TX 903C AUBREY TX
2020-09-28 940-375 0–9 XXXall 10 · 2 holders which blocks → IP HORIZON LLC 515J WICHITAFLS TX
2020-07-09 940-758 0–9 XXXall 10 · 3 holders which blocks → FRACTEL, LLC 965H DENTON TX
2020-07-09 940-842 0–9 XXXall 10 · 7 holders which blocks → FRACTEL, LLC 965H MINERLWLLS TX
2020-07-02 940-336 0–9 XXXall 10 · 5 holders which blocks → FRACTEL, LLC 965H GAINESVL TX
2020-07-02 940-678 2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 4 holders which blocks → FRACTEL, LLC 965H CHICO TX
2020-06-23 940-356 0–9 XXXall 10 · 6 holders which blocks → FRACTEL, LLC 965H QUANAH TX
2020-06-22 940-900 0–9 XXXall 10 · 4 holders which blocks → FRACTEL, LLC 965H LAKEDALLAS TX
2020-06-04 940-358 2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 2 holders which blocks → CSC WIRELESS, LLC 425J WICHITAFLS TX
2020-03-10 940-299 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC - IL 6534 DENTON TX
2019-12-02 940-298 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX · 4 holders which blocks → TELNYX LLC 073H WICHITAFLS TX
2019-07-01 940-292 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 6 holders which blocks → BANDWIDTH.COM CLEC, LLC - TX 004F VERNON TX
2019-06-17 940-340 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - TX 903C BONITA TX
2019-06-17 940-350 0XXX1XXX2XXX3XXX4XXX5XXX8XXX9XXX · 3 holders which blocks → ONVOY, LLC - TX 903C MONTAGUE TX
2019-06-17 940-360 0XXX1XXX2XXX3XXX4XXX5XXX6XXX8XXX9XXX · 4 holders which blocks → ONVOY, LLC - TX 903C RINGGOLD TX
2019-06-17 940-370 0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 4 holders which blocks → ONVOY, LLC - TX 903C SPANISH FT TX
2019-06-05 940-576 1XXX6XXX · 2 holders which blocks → AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX 0132 WEINERT TX
2019-06-05 940-578 1XXX2XXX6XXX8XXX · 4 holders which blocks → AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX 0132 THROCKMOTN TX
2019-06-04 940-571 not yet reported which blocks → AMA COMM., LLC DBA AMA*TECHTEL COMMUNICATIONS-TX 0132 BENJAMIN TX

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.