NumberResearch Membership · Data 09/20/2026

Recent prefix assignments

2 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/20/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The Code holder is who opened each NPA-NXX prefix — not necessarily who holds the numbers. A prefix is 10,000 numbers, but under pooling its ten 1,000-number blocks are handed out individually, often to different carriers; the code holder may hold only one block, or none. The Thousands-blocks column shows how the ten blocks are really split — click which blocks → to see who holds each 1,000-number block and its last-4-digit range. Assignments are initial assignments; the current serving carrier may differ due to portability.

Most active assignees, last 30 days — NPA 650
ONVOY, LLC - CA 2
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-NXXThousands-blocks taken (last-4 opening)Code holderOCNRate centerState
2026-09-03 650-939 0XXX1XXX which blocks → ONVOY, LLC - CA 649C PACIFICA CA
2026-08-21 650-840 0XXX1XXX2XXX which blocks → ONVOY, LLC - CA 649C REDWOOD CY CA
2026-08-19 650-792 0XXX1XXX2XXX3XXX4XXX5XXX6XXX · 2 holders which blocks → ONVOY, LLC - CA 649C PALO ALTO CA
2026-07-09 650-791 0XXX which blocks → ONVOY, LLC - CA 649C HALFMOONBY CA
2026-06-26 650-841 0–9 XXXall 10 · 2 holders which blocks → ONVOY, LLC - CA 649C MT VIEW CA
2026-06-01 650-778 0XXX1XXX2XXX3XXX4XXX5XXX6XXX8XXX9XXX which blocks → ONVOY, LLC - CA 649C SAN MATEO CA
2026-06-01 650-990 0XXX1XXX2XXX5XXX6XXX7XXX8XXX9XXX which blocks → ONVOY, LLC - CA 649C SSNFRNCSCO CA
2026-04-08 650-765 0XXX1XXX2XXX3XXX4XXX7XXX8XXX9XXX which blocks → ONVOY, LLC - CA 649C SNCRL-BLMT CA
2025-12-05 650-768 0XXX1XXX2XXX3XXX5XXX8XXX9XXX · 2 holders which blocks → PAETEC ITEL, LLC 829J LOS ALTOS CA
2025-11-20 650-764 0–9 XXXall 10 · 4 holders which blocks → ONVOY, LLC - CA 649C MT VIEW CA
2025-09-16 650-659 0–9 XXXall 10 · 2 holders which blocks → ONVOY SPECTRUM, LLC 624H SAN MATEO CA
2024-11-25 650-408 0–9 XXXwhole prefix which blocks → NEW CINGULAR WIRELESS PCS, LLC 6010 MT VIEW CA
2024-11-25 650-639 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC 6010 SAN MATEO CA
2024-10-03 650-370 0–9 XXXall 10 · 3 holders which blocks → BANDWIDTH.COM CLEC, LLC - CA 981E PALO ALTO CA
2024-09-12 650-221 not yet reported which blocks → SHELCOMM 0051 SSNFRNCSCO CA
2024-01-04 650-606 0–9 XXXall 10 · 2 holders which blocks → ONVOY SPECTRUM, LLC 624H PALO ALTO CA
2023-12-29 650-247 0–9 XXXall 10 · 4 holders which blocks → COMMIO, LLC 939H WOODSIDE CA
2023-10-10 650-220 0–9 XXXall 10 · 4 holders which blocks → T-MOBILE USA, INC. 6529 MT VIEW CA
2023-06-26 650-774 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - CA 649C LOS ALTOS CA
2023-06-02 650-760 0–9 XXXall 10 · 5 holders which blocks → TELEPORT COMMUNICATIONS AMERICA, LLC - CA 7145 SSNFRNCSCO CA
2023-05-30 650-751 0XXX1XXX2XXX3XXX4XXX5XXX7XXX8XXX9XXX · 4 holders which blocks → BOOST SUBSCRIBERCO L.L.C. 490J WOODSIDE CA
2023-05-08 650-661 0–9 XXXall 10 · 3 holders which blocks → T-MOBILE USA, INC. 6529 PACIFICA CA
2023-04-07 650-706 0–9 XXXall 10 · 4 holders which blocks → ONVOY, LLC - CA 649C SAN MATEO CA
2023-04-07 650-710 0XXX1XXX4XXX5XXX7XXX8XXX9XXX · 4 holders which blocks → ONVOY, LLC - CA 649C SNFC JUNPR CA
2023-02-21 650-820 0–9 XXXall 10 · 4 holders which blocks → ONVOY SPECTRUM, LLC 624H REDWOOD CY CA
2022-10-24 650-674 0–9 XXXall 10 · 5 holders which blocks → BANDWIDTH.COM CLEC, LLC - CA 981E SNCRL-BLMT CA
2022-10-21 650-912 0–9 XXXall 10 · 7 holders which blocks → COMMIO, LLC 939H HALFMOONBY CA
2022-09-27 650-650 0–9 XXXwhole prefix which blocks → ONVOY, LLC - CA 649C SAN MATEO CA
2022-09-26 650-442 0–9 XXXall 10 · 5 holders which blocks → BANDWIDTH.COM CLEC, LLC - CA 981E SSNFRNCSCO CA
2022-09-20 650-705 0–9 XXXall 10 · 3 holders which blocks → T-MOBILE USA, INC. 6529 MT VIEW CA
2022-09-08 650-672 0–9 XXXall 10 · 2 holders which blocks → ONVOY, LLC - CA 649C MILLBRAE CA
2022-09-08 650-708 0–9 XXXwhole prefix which blocks → ONVOY, LLC - CA 649C SSNFRNCSCO CA
2022-09-08 650-734 0–9 XXXwhole prefix which blocks → ONVOY, LLC - CA 649C REDWOOD CY CA
2022-09-02 650-715 0–9 XXXall 10 · 3 holders which blocks → ONVOY, LLC - CA 649C SAN MATEO CA
2022-07-11 650-658 0–9 XXXwhole prefix which blocks → ONVOY, LLC - CA 649C WOODSIDE CA
2022-07-01 650-640 0–9 XXXall 10 · 3 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC 6010 SNCRL-BLMT CA
2022-06-16 650-664 0–9 XXXall 10 · 6 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 MT VIEW CA
2022-02-28 650-698 0–9 XXXall 10 · 5 holders which blocks → T-MOBILE USA, INC. 6529 PALO ALTO CA
2022-02-18 650-782 0–9 XXXall 10 · 5 holders which blocks → TON80 COMMUNICATIONS, LLC 516J LOS ALTOS CA
2022-01-10 650-519 0–9 XXXall 10 · 5 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC 6010 PALO ALTO CA
2022-01-10 650-541 0–9 XXXall 10 · 5 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC 6010 SAN MATEO CA
2022-01-10 650-547 0–9 XXXall 10 · 2 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC 6010 WOODSIDE CA
2022-01-07 650-671 0–9 XXXall 10 · 4 holders which blocks → T-MOBILE USA, INC. 6529 SSNFRNCSCO CA
2021-12-28 650-663 0–9 XXXall 10 · 5 holders which blocks → NEW CINGULAR WIRELESS PCS, LLC 6010 PACIFICA CA
2021-12-16 650-647 0–9 XXXall 10 · 6 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 REDWOOD CY CA
2021-12-14 650-609 0–9 XXXall 10 · 4 holders which blocks → T-MOBILE USA, INC. 6529 MILLBRAE CA
2021-11-15 650-643 0–9 XXXall 10 · 4 holders which blocks → T-MOBILE USA, INC. 6529 PALO ALTO CA
2021-10-26 650-602 0–9 XXXall 10 · 3 holders which blocks → CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 6006 MT VIEW CA
2021-10-26 650-675 0–9 XXXall 10 · 3 holders which blocks → T-MOBILE USA, INC. 6529 PACIFICA CA
2021-09-22 650-629 0–9 XXXall 10 · 4 holders which blocks → FRACTEL, LLC 965H SAN MATEO CA

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.