NumberResearch Membership · Data 09/21/2026

Recent thousands-block assignments

4 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026

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
2014-09-30 315-776-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PORT BYRON NY
2014-09-25 315-924-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PENN YAN NY
2014-09-25 315-940-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 HERKIMER NY
2014-09-24 315-523-6XXX 6000–6999Assigned LEVEL 3 TELECOM OF NEW YORK, LP - NY 8473 WATERTOWN NY
2014-09-24 315-864-2XXX 2000–2999Assigned LEVEL 3 TELECOM OF NEW YORK, LP - NY 8473 UTICA NY
2014-09-19 315-584-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 MARION NY
2014-09-19 315-709-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 ROME NY
2014-09-19 315-864-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 UTICA NY
2014-09-05 315-418-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS, INC. - NY 6622 SYRACUSE NY
2014-09-05 315-800-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS, INC. - NY 6622 SYRACUSE NY
2014-09-05 315-925-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SYRACUSE NY
2014-09-05 315-925-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SYRACUSE NY
2014-09-05 315-925-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SYRACUSE NY
2014-08-25 315-715-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 LIVERPOOL NY
2014-08-22 315-709-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 ROME NY
2014-08-22 315-731-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 UTICA NY
2014-08-22 315-750-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 HAMILTON NY
2014-08-15 315-384-0XXX 0000–0999Assigned ONVOY, LLC- NY 384C NORFOLK NY
2014-08-15 315-537-3XXX 3000–3999Assigned ONVOY, LLC- NY 384C HARRISVL NY
2014-08-15 315-549-0XXX 0000–0999Assigned ONVOY, LLC- NY 384C FAYETTE NY
2014-08-15 315-659-7XXX 7000–7999Assigned ONVOY, LLC- NY 384C ANTWERP NY
2014-08-15 315-704-6XXX 6000–6999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 7133 AUBURN NY
2014-08-15 315-754-9XXX 9000–9999Assigned ONVOY, LLC- NY 384C RED CREEK NY
2014-08-15 315-896-3XXX 3000–3999Assigned ONVOY, LLC- NY 384C BARNEVELD NY
2014-08-14 315-925-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SYRACUSE NY
2014-08-14 315-928-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 SYRACUSE NY
2014-08-08 315-516-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LIVERPOOL NY
2014-08-08 315-516-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LIVERPOOL NY
2014-08-08 315-840-1XXX 1000–1999Assigned ONVOY, LLC- NY 384C JORDAN NY
2014-08-04 315-940-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - NY 997E HERKIMER NY
2014-07-30 315-949-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J SYRACUSE NY
2014-07-25 315-704-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS, INC. - NY 6622 AUBURN NY
2014-07-16 315-522-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - NY 997E GOUVERNEUR NY
2014-07-10 315-367-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS, INC. - NY 6622 ONEIDA NY
2014-07-09 315-203-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - NY 997E ADAMS NY
2014-07-09 315-351-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - NY 997E UTICA NY
2014-07-09 315-628-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - NY 997E THERESA NY
2014-07-09 315-752-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - NY 997E CICERO NY
2014-07-09 315-791-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - NY 997E ONTARIO NY
2014-07-09 315-801-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - NY 997E UTICA NY
2014-07-07 315-270-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - NY 997E PENN YAN NY
2014-07-02 315-930-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - NY 4006 SYRACUSE NY
2014-06-30 315-692-9XXX 9000–9999Assigned PAETEC ITEL, LLC 829J MANLIUS NY
2014-06-25 315-883-0XXX 0000–0999Assigned TWC IP ENABLED SERVICES, LLC 793K SYRACUSE NY
2014-06-23 315-325-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - NY 997E GENEVA NY
2014-06-20 315-400-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 FAYETTEVL NY
2014-06-20 315-570-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 UTICA NY
2014-06-20 315-926-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 MARION NY
2014-06-03 315-929-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - NY 997E CONSTANTIA NY
2014-06-03 315-954-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - NY 997E UNION SPG NY

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.