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
2022-04-28 210-939 ONVOY, LLC - TX 903C SANANTONIO TX
2022-04-28 281-805 ONVOY, LLC - TX 903C HSTNSUBURB TX
2022-04-28 512-503 ONVOY, LLC - TX 903C AUSTIN TX
2022-04-28 713-347 ONVOY, LLC - TX 903C HOUSTON TX
2022-04-28 832-281 ONVOY, LLC - TX 903C SPRING TX
2022-04-28 972-634 ONVOY, LLC - TX 903C ALLEN TX
2022-04-05 346-553 ONVOY, LLC - TX 903C HOUSTON TX
2022-03-03 945-495 ONVOY, LLC - TX 903C PROSPER TX
2022-03-02 254-489 ONVOY, LLC - TX 903C WACO TX
2022-02-24 972-970 ONVOY, LLC - TX 903C GRANDPRARI TX
2022-02-14 682-384 ONVOY, LLC - TX 903C CLEBURNE TX
2022-01-27 346-547 ONVOY, LLC - TX 903C HOUSTON TX
2022-01-20 726-223 ONVOY, LLC - TX 903C SANANTONIO TX
2022-01-14 915-280 ONVOY, LLC - TX 903C EL PASO TX
2022-01-11 915-293 ONVOY, LLC - TX 903C CLINT TX
2021-12-14 346-534 ONVOY, LLC - TX 903C TOMBALL TX
2021-12-08 830-380 ONVOY, LLC - TX 903C BULVERDE TX
2021-12-03 409-285 ONVOY, LLC - TX 903C WOODVILLE TX
2021-12-03 830-375 ONVOY, LLC - TX 903C BOERNE TX
2021-12-02 254-484 ONVOY, LLC - TX 903C MCGREGOR TX
2021-11-24 346-532 ONVOY, LLC - TX 903C CLEVELAND TX
2021-11-19 346-527 ONVOY, LLC - TX 903C KATY TX
2021-11-04 726-216 ONVOY, LLC - TX 903C SANANTONIO TX
2021-11-02 346-521 ONVOY, LLC - TX 903C SUGAR LAND TX
2021-11-02 346-523 ONVOY, LLC - TX 903C KEMAH TX
2021-11-02 409-282 ONVOY, LLC - TX 903C PORTARTHUR TX
2021-11-02 430-292 ONVOY, LLC - TX 903C MABANK TX
2021-11-02 737-312 ONVOY, LLC - TX 903C KYLE TX
2021-11-02 956-663 ONVOY, LLC - TX 903C EDINBURG TX
2021-10-28 254-483 ONVOY, LLC - TX 903C TEMPLE TX
2021-10-28 346-522 ONVOY, LLC - TX 903C HUMBLE TX
2021-10-28 830-354 ONVOY, LLC - TX 903C DEL RIO TX
2021-10-28 830-364 ONVOY, LLC - TX 903C HONDO TX
2021-09-14 945-219 ONVOY, LLC - TX 903C DALLAS TX
2021-08-24 346-502 ONVOY, LLC - TX 903C HOUSTON TX
2021-08-24 726-213 ONVOY, LLC - TX 903C SANANTONIO TX
2021-08-24 737-295 ONVOY, LLC - TX 903C AUSTIN TX
2021-08-24 915-292 ONVOY, LLC - TX 903C EL PASO TX
2021-08-24 945-215 ONVOY, LLC - TX 903C ALLEN TX
2021-08-17 214-910 ONVOY, LLC - TX 903C DLFTWTARPT TX
2021-08-02 915-286 ONVOY, LLC - TX 903C CLINT TX
2021-07-28 430-286 ONVOY, LLC - TX 903C WINNSBORO TX
2021-07-27 254-439 ONVOY, LLC - TX 903C THORNTON TX
2021-07-27 254-478 ONVOY, LLC - TX 903C ZABCIKVL TX
2021-07-27 945-207 ONVOY, LLC - TX 903C PROSPER TX
2021-07-26 346-480 ONVOY, LLC - TX 903C CROSBY TX
2021-07-26 346-486 ONVOY, LLC - TX 903C LIVERPOOL TX
2021-07-26 346-487 ONVOY, LLC - TX 903C SEABROOK TX
2021-07-26 346-489 ONVOY, LLC - TX 903C LA PORTE TX
2021-07-26 430-285 ONVOY, LLC - TX 903C TOM BEAN 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.