Recent thousands-block assignments

7 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

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 516
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
2026-09-17 516-301-4XXX 4000–4999Assigned CSC WIRELESS, LLC 425J NASSAUZN01 NY
2026-09-17 516-504-4XXX 4000–4999Assigned CSC WIRELESS, LLC 425J NASSAUZN01 NY
2026-09-17 516-550-6XXX 6000–6999Assigned CSC WIRELESS, LLC 425J NASSAUZN01 NY
2026-08-21 516-344-3XXX 3000–3999Assigned ONVOY, LLC- NY 384C NASSAUZN01 NY
2026-08-21 516-925-3XXX 3000–3999Assigned ONVOY, LLC- NY 384C NASSAUZN02 NY
2026-08-21 516-925-4XXX 4000–4999Assigned ONVOY, LLC- NY 384C NASSAUZN02 NY
2026-08-21 516-925-5XXX 5000–5999Assigned ONVOY, LLC- NY 384C NASSAUZN02 NY
2026-08-19 516-925-0XXX 0000–0999Assigned INTRADO COMMUNICATIONS, LLC 831C NASSAUZN02 NY
2026-08-19 516-925-1XXX 1000–1999Assigned INTRADO COMMUNICATIONS, LLC 831C NASSAUZN02 NY
2026-08-19 516-925-2XXX 2000–2999Assigned INTRADO COMMUNICATIONS, LLC 831C NASSAUZN02 NY
2026-08-11 516-925-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NASSAUZN02 NY
2026-08-11 516-925-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NASSAUZN02 NY
2026-07-28 516-841-0XXX 0000–0999Assigned ONVOY, LLC- NY 384C NASSAUZN05 NY
2026-05-18 516-560-1XXX 1000–1999Assigned BOOST SUBSCRIBERCO L.L.C. 490J NASSAUZN05 NY
2026-04-08 516-397-5XXX 5000–5999Assigned ONVOY, LLC- NY 384C NASSAUZN03 NY
2026-04-08 516-397-6XXX 6000–6999Assigned ONVOY, LLC- NY 384C NASSAUZN03 NY
2026-04-08 516-397-7XXX 7000–7999Assigned ONVOY, LLC- NY 384C NASSAUZN03 NY
2026-04-08 516-397-8XXX 8000–8999Assigned ONVOY, LLC- NY 384C NASSAUZN03 NY
2026-04-08 516-397-9XXX 9000–9999Assigned ONVOY, LLC- NY 384C NASSAUZN03 NY
2026-03-19 516-529-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 NASSAUZN05 NY
2026-02-26 516-397-3XXX 3000–3999Assigned ONVOY, LLC- NY 384C NASSAUZN03 NY
2026-02-26 516-397-4XXX 4000–4999Assigned ONVOY, LLC- NY 384C NASSAUZN03 NY
2026-02-26 516-529-2XXX 2000–2999Assigned ONVOY, LLC- NY 384C NASSAUZN05 NY
2026-02-26 516-529-5XXX 5000–5999Assigned ONVOY, LLC- NY 384C NASSAUZN05 NY
2026-02-26 516-529-6XXX 6000–6999Assigned ONVOY, LLC- NY 384C NASSAUZN05 NY
2026-01-30 516-397-1XXX 1000–1999Assigned ONVOY, LLC- NY 384C NASSAUZN03 NY
2026-01-30 516-397-2XXX 2000–2999Assigned ONVOY, LLC- NY 384C NASSAUZN03 NY
2026-01-27 516-529-0XXX 0000–0999Assigned ONVOY, LLC- NY 384C NASSAUZN05 NY
2026-01-27 516-529-1XXX 1000–1999Assigned ONVOY, LLC- NY 384C NASSAUZN05 NY
2026-01-06 516-529-3XXX 3000–3999Assigned YORKSTREAM COMMUNICATIONS LLC 977K NASSAUZN05 NY
2026-01-06 516-529-4XXX 4000–4999Assigned YORKSTREAM COMMUNICATIONS LLC 977K NASSAUZN05 NY
2026-01-06 516-529-7XXX 7000–7999Assigned YORKSTREAM COMMUNICATIONS LLC 977K NASSAUZN05 NY
2026-01-06 516-529-9XXX 9000–9999Assigned YORKSTREAM COMMUNICATIONS LLC 977K NASSAUZN05 NY
2026-01-05 516-673-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 NASSAUZN02 NY
2025-12-18 516-397-0XXX 0000–0999Assigned ONVOY, LLC- NY 384C NASSAUZN03 NY
2025-12-18 516-461-0XXX 0000–0999Assigned ONVOY, LLC- NY 384C NASSAUZN05 NY
2025-12-18 516-610-2XXX 2000–2999Assigned ONVOY, LLC- NY 384C NASSAUZN05 NY
2025-12-18 516-939-6XXX 6000–6999Assigned ONVOY, LLC- NY 384C NASSAUZN08 NY
2025-12-12 516-210-9XXX 9000–9999Assigned ONVOY, LLC- NY 384C NASSAUZN07 NY
2025-12-12 516-435-2XXX 2000–2999Assigned ONVOY, LLC- NY 384C NASSAUZN05 NY
2025-12-12 516-813-4XXX 4000–4999Assigned ONVOY, LLC- NY 384C NASSAUZN08 NY
2025-11-05 516-813-2XXX 2000–2999Assigned ONVOY, LLC- NY 384C NASSAUZN08 NY
2025-11-05 516-823-2XXX 2000–2999Assigned ONVOY, LLC- NY 384C NASSAUZN03 NY
2025-10-14 516-786-8XXX 8000–8999Assigned ONVOY, LLC- NY 384C NASSAUZN03 NY
2025-10-14 516-823-9XXX 9000–9999Assigned ONVOY, LLC- NY 384C NASSAUZN03 NY
2025-10-02 516-450-4XXX 4000–4999Assigned ONVOY, LLC- NY 384C NASSAUZN08 NY
2025-09-25 516-670-3XXX 3000–3999Assigned ONVOY, LLC- NY 384C NASSAUZN06 NY
2025-09-15 516-599-9XXX 9000–9999Assigned TERRA NOVA TELECOM INC. 145J NASSAUZN03 NY
2025-09-03 516-212-1XXX 1000–1999Assigned ONVOY, LLC- NY 384C NASSAUZN03 NY
2025-09-02 516-913-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 NASSAUZN05 NY

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.