NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

1 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 513
BANDWIDTH.COM CLEC, LLC - OH 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
2014-07-25 513-814-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CINCINNATI OH
2014-07-25 513-814-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CINCINNATI OH
2014-07-25 513-814-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CINCINNATI OH
2014-07-25 513-814-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CINCINNATI OH
2014-07-25 513-814-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CINCINNATI OH
2014-07-17 513-570-7XXX 7000–7999Assigned METROPCS, INC. 5562 CINCINNATI OH
2014-07-17 513-570-8XXX 8000–8999Assigned METROPCS, INC. 5562 CINCINNATI OH
2014-07-17 513-570-9XXX 9000–9999Assigned METROPCS, INC. 5562 CINCINNATI OH
2014-07-11 513-835-9XXX 9000–9999Assigned METROPCS, INC. 5562 CINCINNATI OH
2014-07-11 513-903-1XXX 1000–1999Assigned METROPCS, INC. 5562 CINCINNATI OH
2014-07-11 513-903-8XXX 8000–8999Assigned METROPCS, INC. 5562 CINCINNATI OH
2014-07-11 513-903-9XXX 9000–9999Assigned METROPCS, INC. 5562 CINCINNATI OH
2014-07-09 513-760-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 LTL MIAMI OH
2014-07-02 513-817-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CINCINNATI OH
2014-07-02 513-817-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CINCINNATI OH
2014-07-02 513-817-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CINCINNATI OH
2014-07-02 513-817-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CINCINNATI OH
2014-07-02 513-817-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CINCINNATI OH
2014-06-27 513-839-4XXX 4000–4999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - OH 7532 OXFORD OH
2014-06-25 513-903-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CINCINNATI OH
2014-06-24 513-341-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 HAMILTON OH
2014-06-24 513-657-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CINCINNATI OH
2014-06-24 513-657-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CINCINNATI OH
2014-06-24 513-725-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CINCINNATI OH
2014-06-24 513-725-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CINCINNATI OH
2014-06-18 513-725-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CINCINNATI OH
2014-06-18 513-725-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CINCINNATI OH
2014-06-16 513-447-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - OH 4863 SHANDON OH
2014-06-16 513-491-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J NEWTONSVL OH
2014-06-16 513-644-6XXX 6000–6999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J BETHANY OH
2014-06-16 513-726-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J SEVEN MILE OH
2014-06-16 513-798-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MORNINGSUN OH
2014-06-16 513-901-6XXX 6000–6999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J WILLIAMSBG OH
2014-06-13 513-657-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - OH 4863 CINCINNATI OH
2014-06-13 513-657-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - OH 4863 CINCINNATI OH
2014-06-13 513-760-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 LTL MIAMI OH
2014-06-13 513-788-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - OH 7532 HARRISON OH
2014-06-11 513-808-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 CINCINNATI OH
2014-06-11 513-972-0XXX 0000–0999Assigned METROPCS, INC. 5562 MASON OH
2014-06-11 513-972-7XXX 7000–7999Assigned METROPCS, INC. 5562 MASON OH
2014-06-10 513-714-8XXX 8000–8999Assigned METROPCS, INC. 5562 HAMILTON OH
2014-06-10 513-783-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 MIDDLETOWN OH
2014-06-05 513-437-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F SEVEN MILE OH
2014-06-04 513-657-1XXX 1000–1999Assigned ONVOY, LLC - OH 464C CINCINNATI OH
2014-06-04 513-714-6XXX 6000–6999Assigned METROPCS, INC. 5562 HAMILTON OH
2014-06-02 513-804-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MIDDLETOWN OH
2014-06-02 513-804-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 MIDDLETOWN OH
2014-05-30 513-915-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - OH 7532 MIDDLETOWN OH
2014-05-23 513-657-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - OH 4863 CINCINNATI OH
2014-05-23 513-808-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - OH 4863 CINCINNATI OH

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.