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
2019-06-17 254-358 ONVOY, LLC - TX 903C SANDY TX
2019-06-17 254-390 ONVOY, LLC - TX 903C TEHUACANA TX
2019-06-17 254-536 ONVOY, LLC - TX 903C MALONE TX
2019-06-17 254-540 ONVOY, LLC - TX 903C CHILTON TX
2019-06-17 254-570 ONVOY, LLC - TX 903C DAWSON TX
2019-06-17 254-600 ONVOY, LLC - TX 903C BEN HUR TX
2019-06-17 254-620 ONVOY, LLC - TX 903C BYNUM TX
2019-06-17 254-944 ONVOY, LLC - TX 903C MOSHEIM TX
2019-06-17 936-935 ONVOY, LLC - TX 903C NORTHZULCH TX
2019-06-17 936-937 ONVOY, LLC - TX 903C HILLTOPLKS TX
2019-06-17 936-939 ONVOY, LLC - TX 903C IOLA TX
2019-06-17 940-340 ONVOY, LLC - TX 903C BONITA TX
2019-06-17 940-350 ONVOY, LLC - TX 903C MONTAGUE TX
2019-06-17 940-360 ONVOY, LLC - TX 903C RINGGOLD TX
2019-06-17 940-370 ONVOY, LLC - TX 903C SPANISH FT TX
2019-02-05 713-903 ONVOY, LLC - TX 903C BAYTOWN TX
2018-12-13 713-804 ONVOY, LLC - TX 903C HOUSTON TX
2018-11-20 409-904 ONVOY, LLC - TX 903C HTCHCCKSNF TX
2018-11-15 361-337 ONVOY, LLC - TX 903C BERCLAIR TX
2018-11-15 361-338 ONVOY, LLC - TX 903C CHARCO TX
2018-11-15 361-344 ONVOY, LLC - TX 903C PAWNEE TX
2018-10-30 430-265 ONVOY, LLC - TX 903C AVINGER TX
2018-10-30 430-543 ONVOY, LLC - TX 903C SIMMS TX
2018-10-30 430-697 ONVOY, LLC - TX 903C ANNONA TX
2018-10-30 432-526 ONVOY, LLC - TX 903C EUNICE WST TX
2018-10-29 325-252 ONVOY, LLC - TX 903C PUTNAM TX
2018-10-19 210-761 ONVOY, LLC - TX 903C SANANTONIO TX
2018-10-19 409-401 ONVOY, LLC - TX 903C BON WIER TX
2018-10-19 409-506 ONVOY, LLC - TX 903C BRONSON TX
2018-10-19 430-789 ONVOY, LLC - TX 903C UNCERTAIN TX
2018-10-19 430-835 ONVOY, LLC - TX 903C MARIETTA TX
2018-10-19 430-897 ONVOY, LLC - TX 903C NAPLES TX
2018-10-19 432-293 ONVOY, LLC - TX 903C EAST HOBBS TX
2018-10-19 432-666 ONVOY, LLC - TX 903C ORLA TX
2018-10-19 432-777 ONVOY, LLC - TX 903C IMPERIAL TX
2018-09-21 432-423 ONVOY, LLC - TX 903C FTSTOCKTON TX
2018-09-18 806-808 ONVOY, LLC - TX 903C PLAINVIEW TX
2018-09-14 210-806 ONVOY, LLC - TX 903C SANANTONIO TX
2018-09-13 346-610 ONVOY, LLC - TX 903C HOUSTON TX
2018-09-13 469-638 ONVOY, LLC - TX 903C DALLAS TX
2018-09-13 469-639 ONVOY, LLC - TX 903C IRVING TX
2018-09-13 682-610 ONVOY, LLC - TX 903C FORT WORTH TX
2018-09-10 940-283 ONVOY, LLC - TX 903C BURKBURNTT TX
2018-08-30 346-358 ONVOY, LLC - TX 903C LEAGUECITY TX
2018-08-30 346-359 ONVOY, LLC - TX 903C LIVERPOOL TX
2018-08-30 346-361 ONVOY, LLC - TX 903C SEABROOK TX
2018-08-30 346-362 ONVOY, LLC - TX 903C SHELDON TX
2018-08-30 361-366 ONVOY, LLC - TX 903C SAN DIEGO TX
2018-08-30 979-269 ONVOY, LLC - TX 903C FREEPORT TX
2018-08-23 430-245 ONVOY, LLC - TX 903C KOON KREEK 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.