NumberResearch Membership · Data 09/18/2026

Recent prefix assignments

18 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.

Most active assignees, last 30 days
ONVOY, LLC - TX 18
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-NXXAssigneeOCNRate centerState
2018-08-23 430-246 ONVOY, LLC - TX 903C TUCKER TX
2018-08-21 737-637 ONVOY, LLC - TX 903C THORNDTHRL TX
2018-08-21 737-727 ONVOY, LLC - TX 903C MCDADE TX
2018-08-21 737-837 ONVOY, LLC - TX 903C TAYLOR TX
2018-07-03 979-978 ONVOY, LLC - TX 903C SNOOKTUNIS TX
2018-05-30 325-326 ONVOY, LLC - TX 903C ANSON TX
2018-05-30 325-335 ONVOY, LLC - TX 903C HAMLIN TX
2018-05-30 325-399 ONVOY, LLC - TX 903C STAMFORD TX
2018-05-30 325-425 ONVOY, LLC - TX 903C ROBY TX
2018-03-15 325-999 ONVOY, LLC - TX 903C ABILENE TX
2018-03-09 915-995 ONVOY, LLC - TX 903C EL PASO TX
2018-02-26 737-245 ONVOY, LLC - TX 903C GEORGETOWN TX
2018-02-26 737-260 ONVOY, LLC - TX 903C DRIPPNGSPG TX
2018-02-26 737-299 ONVOY, LLC - TX 903C LAMPASAS TX
2018-02-22 346-332 ONVOY, LLC - TX 903C CYPRESS TX
2018-02-22 737-250 ONVOY, LLC - TX 903C MARTINDALE TX
2018-02-22 936-306 ONVOY, LLC - TX 903C NAVASOTA TX
2018-02-07 346-295 ONVOY, LLC - TX 903C ARCOLA TX
2018-02-07 469-436 ONVOY, LLC - TX 903C DALLAS TX
2018-02-07 682-341 ONVOY, LLC - TX 903C MANSFIELD TX
2018-02-07 830-415 ONVOY, LLC - TX 903C EAGLE PASS TX
2018-02-06 346-326 ONVOY, LLC - TX 903C HOUSTON TX
2018-02-06 737-237 ONVOY, LLC - TX 903C AUSTIN TX
2018-02-05 346-306 ONVOY, LLC - TX 903C LANGHAMCRK TX
2018-01-26 325-238 ONVOY, LLC - TX 903C ABILENE TX
2017-12-26 469-382 ONVOY, LLC - TX 903C CEDAR HILL TX
2017-12-20 346-322 ONVOY, LLC - TX 903C BARKER TX
2017-11-02 432-888 ONVOY, LLC - TX 903C ODESSA TX
2017-11-02 806-666 ONVOY, LLC - TX 903C FLOYDADA TX
2017-11-02 915-800 ONVOY, LLC - TX 903C EL PASO TX
2017-10-19 972-972 ONVOY, LLC - TX 903C DALLAS TX
2017-10-10 682-255 ONVOY, LLC - TX 903C FORT WORTH TX
2017-10-03 346-275 ONVOY, LLC - TX 903C HSTNSUBURB TX
2017-10-03 940-800 ONVOY, LLC - TX 903C DENTON TX
2017-09-29 682-666 ONVOY, LLC - TX 903C ARLINGTON TX
2017-09-27 361-666 ONVOY, LLC - TX 903C ALICE TX
2017-09-07 432-999 ONVOY, LLC - TX 903C TERMINAL TX
2017-09-05 830-800 ONVOY, LLC - TX 903C SEGUIN TX
2017-08-25 469-430 ONVOY, LLC - TX 903C FRISCO TX
2017-08-24 469-455 ONVOY, LLC - TX 903C LEWISVILLE TX
2017-08-23 682-277 ONVOY, LLC - TX 903C ARLINGTON TX
2017-08-23 956-477 ONVOY, LLC - TX 903C LAREDO TX
2017-08-18 210-817 ONVOY, LLC - TX 903C SANANTONIO TX
2017-08-17 469-405 ONVOY, LLC - TX 903C DALLAS TX
2017-08-16 346-299 ONVOY, LLC - TX 903C HOUSTON TX
2017-08-16 737-241 ONVOY, LLC - TX 903C AUSTIN TX
2017-08-14 469-409 ONVOY, LLC - TX 903C PLANO TX
2017-05-25 940-204 ONVOY, LLC - TX 903C SANTO TX
2017-05-25 940-236 ONVOY, LLC - TX 903C ST JO TX
2017-05-24 430-230 ONVOY, LLC - TX 903C AVERY TX

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.