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
626-699 ONVOY, LLC - CA 649C COVINA CA
626-788 ONVOY, LLC - CA 649C PSDN PSDN CA
626-790 ONVOY, LLC - CA 649C SIERRAMADR CA
626-800 ONVOY, LLC - CA 649C ALHAMBRA CA
626-829 ONVOY, LLC - CA 649C ARCADIA CA
626-888 ONVOY, LLC - CA 649C ALHAMBRA CA
626-899 ONVOY, LLC - CA 649C ALHAMBRA CA
626-900 ONVOY, LLC - CA 649C ALHAMBRA CA
626-988 ONVOY, LLC - CA 649C ALHAMBRA CA
626-997 ONVOY, LLC - CA 649C ALHAMBRA CA
628-200 ONVOY, LLC - CA 649C SNFC JUNPR CA
628-333 ONVOY, LLC - CA 649C SNFC CNTRL CA
628-466 ONVOY, LLC - CA 649C SNFC CNTRL CA
628-666 ONVOY, LLC - CA 649C IGNACIO CA
628-777 ONVOY, LLC - CA 649C SNFC MT-EV CA
628-888 ONVOY, LLC - CA 649C SAN RAFAEL CA
628-900 ONVOY, LLC - CA 649C SNFC CNTRL CA
628-999 ONVOY, LLC - CA 649C SNFC CNTRL CA
650-239 ONVOY, LLC - CA 649C MILLBRAE CA
650-240 ONVOY, LLC - CA 649C SAN MATEO CA
650-249 ONVOY, LLC - CA 649C REDWOOD CY CA
650-300 ONVOY, LLC - CA 649C PALO ALTO CA
650-337 ONVOY, LLC - CA 649C PESCADERO CA
650-360 ONVOY, LLC - CA 649C SSNFRNCSCO CA
650-399 ONVOY, LLC - CA 649C REDWOOD CY CA
650-456 ONVOY, LLC - CA 649C PESCADERO CA
650-523 ONVOY, LLC - CA 649C SAN MATEO CA
650-590 ONVOY, LLC - CA 649C SNCRL-BLMT CA
650-600 ONVOY, LLC - CA 649C PALO ALTO CA
650-618 ONVOY, LLC - CA 649C PALO ALTO CA
650-649 ONVOY, LLC - CA 649C REDWOOD CY CA
650-670 ONVOY, LLC - CA 649C REDWOOD CY CA
650-800 ONVOY, LLC - CA 649C PALO ALTO CA
650-882 ONVOY, LLC - CA 649C PESCADERO CA
650-887 ONVOY, LLC - CA 649C LOS ALTOS CA
650-899 ONVOY, LLC - CA 649C LA HONDA CA
650-900 ONVOY, LLC - CA 649C LOS ALTOS CA
650-963 ONVOY, LLC - CA 649C MT VIEW CA
650-984 ONVOY, LLC - CA 649C PACIFICA CA
650-999 ONVOY, LLC - CA 649C PALO ALTO CA
657-222 ONVOY, LLC - CA 649C CYPRESS CA
657-255 ONVOY, LLC - CA 649C BUENA PARK CA
657-256 ONVOY, LLC - CA 649C CYPRESS CA
657-261 ONVOY, LLC - CA 649C SANTA ANA CA
657-300 ONVOY, LLC - CA 649C HUNTITNBCH CA
657-331 ONVOY, LLC - CA 649C ANAHEIM CA
657-400 ONVOY, LLC - CA 649C WESTMINSTR CA
657-500 ONVOY, LLC - CA 649C FULLERTON CA
657-600 ONVOY, LLC - CA 649C SANTA ANA CA
657-666 ONVOY, LLC - CA 649C WESTMINSTR 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.