NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

33 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026

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

Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.

Most active assignees, last 30 days — NPA 346
ONVOY, LLC - TX 18
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 9
PAETEC ITEL, LLC 2
BANDWIDTH.COM CLEC, LLC - TX 2
TELNYX LLC 1
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 thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2023-05-19 346-590-7XXX 7000–7999Assigned ONVOY, LLC - TX 903C WESTFIELD TX
2023-05-19 346-590-8XXX 8000–8999Assigned ONVOY, LLC - TX 903C WESTFIELD TX
2023-05-18 346-659-0XXX 0000–0999Assigned FIVE9, INC. 598J HSTNSUBURB TX
2023-05-18 346-661-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 LANGHAMCRK TX
2023-05-18 346-661-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 LANGHAMCRK TX
2023-05-18 346-661-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 LANGHAMCRK TX
2023-05-18 346-661-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 LANGHAMCRK TX
2023-05-18 346-661-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 LANGHAMCRK TX
2023-05-18 346-661-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 LANGHAMCRK TX
2023-05-18 346-661-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 LANGHAMCRK TX
2023-05-18 346-661-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 LANGHAMCRK TX
2023-05-18 346-661-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 LANGHAMCRK TX
2023-05-18 346-661-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 LANGHAMCRK TX
2023-05-16 346-712-2XXX 2000–2999Assigned ONVOY, LLC - TX 903C APOLLO TX
2023-05-16 346-712-3XXX 3000–3999Assigned ONVOY, LLC - TX 903C APOLLO TX
2023-05-11 346-581-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SPRING TX
2023-05-11 346-581-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SPRING TX
2023-05-11 346-581-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 SPRING TX
2023-05-11 346-657-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CYPRESS TX
2023-05-11 346-657-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CYPRESS TX
2023-05-11 346-657-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CYPRESS TX
2023-05-11 346-658-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 RICHMNRNBG TX
2023-05-11 346-658-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 RICHMNRNBG TX
2023-05-11 346-662-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HUMBLE TX
2023-05-11 346-662-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HUMBLE TX
2023-05-11 346-662-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HUMBLE TX
2023-05-09 346-548-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 6506 BAYTOWN TX
2023-05-09 346-579-8XXX 8000–8999Assigned AERIAL COMMUNICATIONS, INC. 6701 DICKINSON TX
2023-05-09 346-653-0XXX 0000–0999Assigned AERIAL COMMUNICATIONS, INC. 6701 DICKINSON TX
2023-05-09 346-653-1XXX 1000–1999Assigned AERIAL COMMUNICATIONS, INC. 6701 DICKINSON TX
2023-05-09 346-653-2XXX 2000–2999Assigned AERIAL COMMUNICATIONS, INC. 6701 DICKINSON TX
2023-05-09 346-653-3XXX 3000–3999Assigned AERIAL COMMUNICATIONS, INC. 6701 DICKINSON TX
2023-05-09 346-653-4XXX 4000–4999Assigned AERIAL COMMUNICATIONS, INC. 6701 DICKINSON TX
2023-05-09 346-653-5XXX 5000–5999Assigned AERIAL COMMUNICATIONS, INC. 6701 DICKINSON TX
2023-05-09 346-653-6XXX 6000–6999Assigned AERIAL COMMUNICATIONS, INC. 6701 DICKINSON TX
2023-05-09 346-653-7XXX 7000–7999Assigned AERIAL COMMUNICATIONS, INC. 6701 DICKINSON TX
2023-05-09 346-653-8XXX 8000–8999Assigned AERIAL COMMUNICATIONS, INC. 6701 DICKINSON TX
2023-05-09 346-653-9XXX 9000–9999Assigned AERIAL COMMUNICATIONS, INC. 6701 DICKINSON TX
2023-05-08 346-634-0XXX 0000–0999Assigned AERIAL COMMUNICATIONS, INC. 6701 CYPRESS TX
2023-05-08 346-634-1XXX 1000–1999Assigned AERIAL COMMUNICATIONS, INC. 6701 CYPRESS TX
2023-05-08 346-634-3XXX 3000–3999Assigned AERIAL COMMUNICATIONS, INC. 6701 CYPRESS TX
2023-05-08 346-634-4XXX 4000–4999Assigned AERIAL COMMUNICATIONS, INC. 6701 CYPRESS TX
2023-05-08 346-634-5XXX 5000–5999Assigned AERIAL COMMUNICATIONS, INC. 6701 CYPRESS TX
2023-05-08 346-634-6XXX 6000–6999Assigned AERIAL COMMUNICATIONS, INC. 6701 CYPRESS TX
2023-05-08 346-652-0XXX 0000–0999Assigned AERIAL COMMUNICATIONS, INC. 6701 CYPRESS TX
2023-05-08 346-652-1XXX 1000–1999Assigned AERIAL COMMUNICATIONS, INC. 6701 CYPRESS TX
2023-05-08 346-652-2XXX 2000–2999Assigned AERIAL COMMUNICATIONS, INC. 6701 CYPRESS TX
2023-05-08 346-652-3XXX 3000–3999Assigned AERIAL COMMUNICATIONS, INC. 6701 CYPRESS TX
2023-05-08 346-652-4XXX 4000–4999Assigned AERIAL COMMUNICATIONS, INC. 6701 CYPRESS TX
2023-05-08 346-652-5XXX 5000–5999Assigned AERIAL COMMUNICATIONS, INC. 6701 CYPRESS TX

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.