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
2017-05-18 409-204 ONVOY, LLC - TX 903C HTCHCCKSNF TX
2017-05-18 806-230 ONVOY, LLC - TX 903C HART TX
2017-05-05 254-272 ONVOY, LLC - TX 903C HEIDENHEMR TX
2017-05-05 254-274 ONVOY, LLC - TX 903C ZABCIKVL TX
2017-05-05 254-279 ONVOY, LLC - TX 903C BREMOND TX
2017-05-05 254-280 ONVOY, LLC - TX 903C OENAVILLE TX
2017-05-05 254-282 ONVOY, LLC - TX 903C CRANFILSGP TX
2017-05-05 254-306 ONVOY, LLC - TX 903C THORNTON TX
2017-05-05 254-318 ONVOY, LLC - TX 903C BUCKHOLTS TX
2017-05-05 254-322 ONVOY, LLC - TX 903C TURNERSVL TX
2017-04-27 325-413 ONVOY, LLC - TX 903C SONORA TX
2017-04-25 409-900 ONVOY, LLC - TX 903C LUMBERTON TX
2017-04-21 956-446 ONVOY, LLC - TX 903C SULLIVANCY TX
2017-04-19 409-235 ONVOY, LLC - TX 903C BURKEVILLE TX
2017-04-19 956-420 ONVOY, LLC - TX 903C DONNA TX
2017-04-19 956-426 ONVOY, LLC - TX 903C PORTISABEL TX
2017-04-19 956-431 ONVOY, LLC - TX 903C BROWNSVL TX
2017-04-14 737-214 ONVOY, LLC - TX 903C SAN MARCOS TX
2017-04-07 956-275 ONVOY, LLC - TX 903C HARLINGEN TX
2017-03-14 325-241 ONVOY, LLC - TX 903C BLACKWELL TX
2017-03-14 325-246 ONVOY, LLC - TX 903C MORAN TX
2017-03-14 432-239 ONVOY, LLC - TX 903C BALMORHEA TX
2017-03-14 432-274 ONVOY, LLC - TX 903C FORSAN TX
2017-03-14 432-278 ONVOY, LLC - TX 903C MCCAMEY TX
2017-03-14 432-286 ONVOY, LLC - TX 903C MENTONE TX
2017-03-14 432-287 ONVOY, LLC - TX 903C PECOS TX
2017-03-14 806-524 ONVOY, LLC - TX 903C BOVINA TX
2017-03-14 806-531 ONVOY, LLC - TX 903C SANFORD TX
2017-03-14 806-541 ONVOY, LLC - TX 903C DIMMITT TX
2017-03-14 806-542 ONVOY, LLC - TX 903C HAPPY TX
2017-03-14 806-547 ONVOY, LLC - TX 903C FRITCH TX
2017-03-14 806-586 ONVOY, LLC - TX 903C MOBEETIE TX
2017-03-01 915-444 ONVOY, LLC - TX 903C EL PASO TX
2017-02-28 325-777 ONVOY, LLC - TX 903C SAN ANGELO TX
2017-02-16 979-977 ONVOY, LLC - TX 903C BRYAN TX
2016-07-21 210-963 ONVOY, LLC - TX 903C SANANTONIO TX
2016-07-13 915-320 ONVOY, LLC - TX 903C EL PASO TX
2016-07-06 346-241 ONVOY, LLC - TX 903C HOUSTON TX
2016-07-06 469-356 ONVOY, LLC - TX 903C NEVADA TX
2016-07-06 936-265 ONVOY, LLC - TX 903C SHIRO TX
2016-05-27 346-235 ONVOY, LLC - TX 903C BAMMEL TX
2016-05-11 346-258 ONVOY, LLC - TX 903C SHELDON TX
2016-04-25 830-971 ONVOY, LLC - TX 903C EAGLE PASS TX
2016-04-20 469-466 ONVOY, LLC - TX 903C DALLAS TX
2016-03-28 830-218 ONVOY, LLC - TX 903C LULING TX
2016-03-25 936-249 ONVOY, LLC - TX 903C WILLIS TX
2016-03-23 346-787 ONVOY, LLC - TX 903C LA PORTE TX
2016-03-23 682-400 ONVOY, LLC - TX 903C MANSFIELD TX
2016-03-23 940-310 ONVOY, LLC - TX 903C TIOGA TX
2016-03-18 430-220 ONVOY, LLC - TX 903C BRASHEAR 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.