NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

4 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 315
ONVOY, LLC- NY 4
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
2005-07-06 315-317-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 SYRACUSE NY
2005-07-06 315-405-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 WATERTOWN NY
2005-07-06 315-430-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 SYRACUSE NY
2005-07-06 315-506-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 LIVERPOOL NY
2005-07-06 315-532-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 OSWEGO NY
2005-07-06 315-558-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 SYRACUSE NY
2005-07-06 315-576-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 MARION NY
2005-07-06 315-576-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 MARION NY
2005-07-06 315-657-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 LIVERPOOL NY
2005-07-06 315-663-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 FAYETTEVL NY
2005-07-06 315-663-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 FAYETTEVL NY
2005-07-06 315-749-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 UTICA NY
2005-07-06 315-857-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 BALDWINSVL NY
2005-07-06 315-882-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 SYRACUSE NY
2005-07-05 315-503-2XXX 2000–2999Assigned LEVEL 3 TELECOM OF NEW YORK, LP - NY 8473 MINOA NY
2005-06-29 315-405-8XXX 8000–8999Assigned TWC IP ENABLED SERVICES, LLC 793K WATERTOWN NY
2005-06-20 315-235-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - NY 4006 UTICA NY
2005-06-16 315-218-5XXX 5000–5999Assigned TWC IP ENABLED SERVICES, LLC 793K SYRACUSE NY
2005-06-16 315-218-6XXX 6000–6999Assigned TWC IP ENABLED SERVICES, LLC 793K SYRACUSE NY
2005-06-16 315-633-1XXX 1000–1999Assigned TWC IP ENABLED SERVICES, LLC 793K BRIDGEPORT NY
2005-06-16 315-875-5XXX 5000–5999Assigned TWC IP ENABLED SERVICES, LLC 793K CANASTOTA NY
2005-06-16 315-963-2XXX 2000–2999Assigned TWC IP ENABLED SERVICES, LLC 793K MEXICO NY
2005-06-10 315-508-5XXX 5000–5999Assigned TWC IP ENABLED SERVICES, LLC 793K LITTLE FLS NY
2005-06-08 315-237-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 AUBURN NY
2005-06-08 315-382-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SYRACUSE NY
2005-06-08 315-489-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WATERTOWN NY
2005-06-08 315-708-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SYRACUSE NY
2005-06-08 315-708-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SYRACUSE NY
2005-06-08 315-708-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SYRACUSE NY
2005-06-08 315-708-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SYRACUSE NY
2005-06-08 315-921-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WATERTOWN NY
2005-06-07 315-264-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 SYLVAN BCH NY
2005-06-07 315-283-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 AUBURN NY
2005-06-07 315-532-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 OSWEGO NY
2005-06-01 315-285-5XXX 5000–5999Assigned TWC IP ENABLED SERVICES, LLC 793K CLAYTON NY
2005-06-01 315-535-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K GOUVERNEUR NY
2005-05-27 315-235-2XXX 2000–2999Assigned NORTHLAND NETWORKS, LTD. - NY 7556 UTICA NY
2005-05-27 315-235-7XXX 7000–7999Assigned NORTHLAND NETWORKS, LTD. - NY 7556 UTICA NY
2005-05-26 315-874-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K LOWVILLE NY
2005-05-24 315-235-5XXX 5000–5999Assigned METROPCS, INC. 5562 UTICA NY
2005-05-09 315-317-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 SYRACUSE NY
2005-05-09 315-719-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 GENEVA NY
2005-05-09 315-750-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 HAMILTON NY
2005-05-09 315-879-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 NEWARK NY
2005-04-26 315-378-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K SYRACUSE NY
2005-04-13 315-277-5XXX 5000–5999Assigned TWC IP ENABLED SERVICES, LLC 793K JORDAN NY
2005-04-13 315-320-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K CAMILLUS NY
2005-04-13 315-761-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K SYLVAN BCH NY
2005-04-07 315-283-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 AUBURN NY
2005-04-07 315-506-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 LIVERPOOL 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.