NumberResearch Membership · Data 09/18/2026

Recent prefix assignments

35 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 - CA 35
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
2016-03-11 707-229 ONVOY, LLC - CA 649C TMCV SERN CA
2016-03-11 707-715 ONVOY, LLC - CA 649C COBB MT CA
2016-03-09 707-610 ONVOY, LLC - CA 649C CLOVERDALE CA
2016-03-07 909-403 ONVOY, LLC - CA 649C RUNNINGSPG CA
2016-03-03 530-317 ONVOY, LLC - CA 649C PLVL WEST CA
2016-03-03 707-210 ONVOY, LLC - CA 649C SONOMA CA
2016-02-29 424-377 ONVOY, LLC - CA 649C AVALON CA
2016-02-26 442-301 ONVOY, LLC - CA 649C JUNE LAKE CA
2016-02-24 424-306 ONVOY, LLC - CA 649C TORRANCE CA
2016-02-24 442-201 ONVOY, LLC - CA 649C LEE VINING CA
2016-02-24 707-917 ONVOY, LLC - CA 649C VALLEJO CA
2016-02-24 747-205 ONVOY, LLC - CA 649C NO HOLLYWD CA
2016-02-22 805-507 ONVOY, LLC - CA 649C VNTRA CNTL CA
2016-02-22 949-799 ONVOY, LLC - CA 649C RNCHOVIEJO CA
2016-02-16 909-787 ONVOY, LLC - CA 649C RIALTO CA
2016-02-15 628-877 ONVOY, LLC - CA 649C CORTEMADRA CA
2016-02-15 669-377 ONVOY, LLC - CA 649C MORGANHILL CA
2016-02-15 909-402 ONVOY, LLC - CA 649C MARSHALL CA
2016-02-12 805-707 ONVOY, LLC - CA 649C OJAI CA
2016-02-11 650-750 ONVOY, LLC - CA 649C HALFMOONBY CA
2016-02-11 916-975 ONVOY, LLC - CA 649C SO PLACER CA
2016-02-10 747-204 ONVOY, LLC - CA 649C CANOGAPARK CA
2016-02-09 909-757 ONVOY, LLC - CA 649C ONTARIO CA
2016-02-08 818-214 ONVOY, LLC - CA 649C RESEDA CA
2016-02-05 562-203 ONVOY, LLC - CA 649C WHITTIER CA
2016-02-05 951-404 ONVOY, LLC - CA 649C TEMECULA CA
2016-02-04 510-369 ONVOY, LLC - CA 649C RICHMOND CA
2016-02-04 805-257 ONVOY, LLC - CA 649C PASOROBLES CA
2016-02-03 213-418 ONVOY, LLC - CA 649C LSAN DA 01 CA
2016-02-03 619-782 ONVOY, LLC - CA 649C SNDG SNDG CA
2016-02-01 657-390 ONVOY, LLC - CA 649C ORANGE CA
2016-01-29 619-505 ONVOY, LLC - CA 649C NATIONALCY CA
2016-01-29 650-770 ONVOY, LLC - CA 649C LOS ALTOS CA
2016-01-29 858-757 ONVOY, LLC - CA 649C SNDG MRMS CA
2016-01-28 619-305 ONVOY, LLC - CA 649C CHULAVISTA CA
2016-01-27 858-203 ONVOY, LLC - CA 649C LA JOLLA CA
2016-01-20 626-727 ONVOY, LLC - CA 649C COVINA CA
2016-01-20 657-387 ONVOY, LLC - CA 649C YORBALINDA CA
2016-01-20 909-318 ONVOY, LLC - CA 649C BIGBEAR LK CA
2016-01-18 657-297 ONVOY, LLC - CA 649C SILVERADO CA
2016-01-15 949-239 ONVOY, LLC - CA 649C NEWPORTBCH CA
2016-01-13 669-770 ONVOY, LLC - CA 649C SNJS NORTH CA
2016-01-12 707-203 ONVOY, LLC - CA 649C ELK CA
2016-01-12 707-606 ONVOY, LLC - CA 649C BENICIA CA
2016-01-05 424-452 ONVOY, LLC - CA 649C REDONDO CA
2016-01-05 805-209 ONVOY, LLC - CA 649C MOORPARK CA
2015-12-28 213-205 ONVOY, LLC - CA 649C LSAN DA 07 CA
2015-12-28 510-330 ONVOY, LLC - CA 649C HAYWARD CA
2015-12-24 424-304 ONVOY, LLC - CA 649C REDONDO CA
2015-12-15 323-701 ONVOY, LLC - CA 649C LSAN DA 14 CA

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.