Recent thousands-block assignments

8 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 440
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
2015-08-10 440-903-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHAGRINFLS OH
2015-08-03 440-737-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J TRUMBULL OH
2015-08-03 440-837-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J DORSET OH
2015-07-30 440-662-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 ELYRIA OH
2015-07-30 440-769-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F CHAGRINFLS OH
2015-07-28 440-279-6XXX 6000–6999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J CHARDON OH
2015-07-28 440-291-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - OH 4863 AUSTINBURG OH
2015-07-28 440-291-8XXX 8000–8999Assigned ONVOY, LLC - OH 464C AUSTINBURG OH
2015-07-28 440-298-5XXX 5000–5999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J THOMPSON OH
2015-07-28 440-307-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MADISON OH
2015-07-28 440-310-8XXX 8000–8999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J COLUMBISTA OH
2015-07-28 440-335-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - OH 4863 KINGSVILLE OH
2015-07-28 440-426-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MIDDLEFLD OH
2015-07-28 440-426-9XXX 9000–9999Assigned ONVOY, LLC - OH 464C MIDDLEFLD OH
2015-07-28 440-468-4XXX 4000–4999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J BAINBRIDGE OH
2015-07-28 440-491-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J GENEVA OH
2015-07-28 440-548-1XXX 1000–1999Assigned ONVOY, LLC - OH 464C PARKMAN OH
2015-07-28 440-557-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J RUSSELL OH
2015-07-28 440-560-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ROCK CREEK OH
2015-07-28 440-577-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J PIERPONT OH
2015-07-28 440-636-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J HUNTSBURG OH
2015-07-28 440-693-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MESOPOTMIA OH
2015-07-28 440-968-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MONTVILLE OH
2015-07-24 440-772-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K TRINITY OH
2015-07-23 440-434-2XXX 2000–2999Assigned TWC IP ENABLED SERVICES, LLC 793K LORAIN OH
2015-07-16 440-983-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OH 6025 MADISON OH
2015-07-02 440-534-1XXX 1000–1999Assigned TWC IP ENABLED SERVICES, LLC 793K MENTOR OH
2015-06-30 440-830-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - OH 4863 LORAIN OH
2015-06-26 440-999-1XXX 1000–1999Assigned ONVOY, LLC - OH 464C CHAGRINFLS OH
2015-06-26 440-999-2XXX 2000–2999Assigned ONVOY, LLC - OH 464C CHAGRINFLS OH
2015-06-26 440-999-3XXX 3000–3999Assigned ONVOY, LLC - OH 464C CHAGRINFLS OH
2015-06-26 440-999-4XXX 4000–4999Assigned ONVOY, LLC - OH 464C CHAGRINFLS OH
2015-06-26 440-999-5XXX 5000–5999Assigned ONVOY, LLC - OH 464C CHAGRINFLS OH
2015-06-26 440-999-6XXX 6000–6999Assigned ONVOY, LLC - OH 464C CHAGRINFLS OH
2015-06-26 440-999-7XXX 7000–7999Assigned ONVOY, LLC - OH 464C CHAGRINFLS OH
2015-06-22 440-695-9XXX 9000–9999Assigned SIGECOM, LLC DBA WOW INTERNET CABLE AND PHONE 735E AVON OH
2015-06-18 440-502-2XXX 2000–2999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - OH 7532 VICTORY OH
2015-06-18 440-502-3XXX 3000–3999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - OH 7532 VICTORY OH
2015-06-18 440-502-4XXX 4000–4999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - OH 7532 VICTORY OH
2015-06-17 440-817-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F BRECKSVL OH
2015-06-15 440-732-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 STRONGSVL OH
2015-06-15 440-999-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHAGRINFLS OH
2015-06-12 440-412-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 ELYRIA OH
2015-06-09 440-423-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F GATESMILLS OH
2015-06-09 440-459-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F HILLCREST OH
2015-06-09 440-472-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F BEREA OH
2015-06-09 440-732-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - OH 001F STRONGSVL OH
2015-06-08 440-662-0XXX 0000–0999Assigned T-MOBILE USA, INC. 6529 ELYRIA OH
2015-06-08 440-662-1XXX 1000–1999Assigned T-MOBILE USA, INC. 6529 ELYRIA OH
2015-05-27 440-662-4XXX 4000–4999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - OH 7532 ELYRIA 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.