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
2023-07-28 945-302 ONVOY, LLC - TX 903C FERRIS TX
2023-07-26 254-515 ONVOY, LLC - TX 903C AXTELL TX
2023-07-19 346-683 ONVOY, LLC - TX 903C WESTFIELD TX
2023-07-19 956-709 ONVOY, LLC - TX 903C BROWNSVL TX
2023-07-13 254-508 ONVOY, LLC - TX 903C BLUM TX
2023-07-13 254-513 ONVOY, LLC - TX 903C GLEN ROSE TX
2023-07-13 945-299 ONVOY, LLC - TX 903C MIDLOTHIAN TX
2023-07-11 254-490 ONVOY, LLC - TX 903C HUBBARD TX
2023-07-11 254-491 ONVOY, LLC - TX 903C PRAIRIE HL TX
2023-07-11 254-497 ONVOY, LLC - TX 903C RIESEL TX
2023-07-11 254-502 ONVOY, LLC - TX 903C ROSENTHAL TX
2023-07-11 254-507 ONVOY, LLC - TX 903C LOTT TX
2023-07-11 325-329 ONVOY, LLC - TX 903C COMANCHE TX
2023-07-11 346-680 ONVOY, LLC - TX 903C HSTNSUBURB TX
2023-07-11 346-681 ONVOY, LLC - TX 903C SUGAR LAND TX
2023-07-07 430-254 ONVOY, LLC - TX 903C REDWATER TX
2023-07-07 430-281 ONVOY, LLC - TX 903C CARTHAGE TX
2023-07-07 430-325 ONVOY, LLC - TX 903C MINEOLA TX
2023-06-26 430-210 ONVOY, LLC - TX 903C KEMP TX
2023-06-26 940-354 ONVOY, LLC - TX 903C DENTON TX
2023-06-22 346-724 ONVOY, LLC - TX 903C LANGHAMCRK TX
2023-06-22 979-352 ONVOY, LLC - TX 903C DEANVILLE TX
2023-06-21 945-297 ONVOY, LLC - TX 903C FRISCO TX
2023-06-20 682-281 ONVOY, LLC - TX 903C KENNEDALE TX
2023-06-15 346-705 ONVOY, LLC - TX 903C CHANNELVW TX
2023-06-15 346-709 ONVOY, LLC - TX 903C LEAGUECITY TX
2023-06-15 346-713 ONVOY, LLC - TX 903C SMITHERSLK TX
2023-06-15 346-738 ONVOY, LLC - TX 903C ALVIN TX
2023-06-14 945-298 ONVOY, LLC - TX 903C CARROLLTON TX
2023-06-06 945-295 ONVOY, LLC - TX 903C LEWISVILLE TX
2023-06-05 945-294 ONVOY, LLC - TX 903C PLANO TX
2023-05-25 945-328 ONVOY, LLC - TX 903C GRANDPRARI TX
2023-05-24 346-742 ONVOY, LLC - TX 903C BAMMEL TX
2023-05-22 210-512 ONVOY, LLC - TX 903C SANANTONIO TX
2023-05-22 817-214 ONVOY, LLC - TX 903C FORT WORTH TX
2023-05-18 806-432 ONVOY, LLC - TX 903C CANADIAN TX
2023-05-16 346-712 ONVOY, LLC - TX 903C APOLLO TX
2023-05-16 430-214 ONVOY, LLC - TX 903C MARSHALL TX
2023-05-16 512-254 ONVOY, LLC - TX 903C AUSTIN TX
2023-05-16 682-254 ONVOY, LLC - TX 903C EULESS TX
2023-02-17 737-387 ONVOY, LLC - TX 903C SAN MARCOS TX
2023-02-17 936-693 ONVOY, LLC - TX 903C CONROE TX
2023-02-08 346-615 ONVOY, LLC - TX 903C KATY TX
2023-01-20 346-676 ONVOY, LLC - TX 903C KEMAH TX
2023-01-20 432-372 ONVOY, LLC - TX 903C KERMIT TX
2023-01-20 726-266 ONVOY, LLC - TX 903C SANANTONIO TX
2023-01-13 945-445 ONVOY, LLC - TX 903C PRINCETON TX
2023-01-11 430-380 ONVOY, LLC - TX 903C BRASHEAR TX
2023-01-11 945-405 ONVOY, LLC - TX 903C ITALY TX
2023-01-11 945-425 ONVOY, LLC - TX 903C LEWISVILLE 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.