NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

28 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 458
ONVOY, LLC - OR 15
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 6
BANDWIDTH.COM CLEC, LLC - OR 3
AHOI LLC 2
NEW CINGULAR WIRELESS PCS, LLC 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
2017-06-13 458-226-2XXX 2000–2999Assigned CHARTER IP ENABLED SERVICES, LLC 792K MEDFORD OR
2017-06-13 458-226-3XXX 3000–3999Assigned CHARTER IP ENABLED SERVICES, LLC 792K MEDFORD OR
2017-05-25 458-219-4XXX 4000–4999Assigned ASTOUND BROADBAND, LLC - OR 936F HERMISTON OR
2017-05-24 458-221-4XXX 4000–4999Assigned ONVOY, LLC - OR 750E EUGENE OR
2017-05-24 458-256-3XXX 3000–3999Assigned ONVOY, LLC - OR 750E BEND OR
2017-05-05 458-231-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PRINEVILLE OR
2017-04-11 458-226-0XXX 0000–0999Assigned UNITED STATES CELLULAR - OR 6349 MEDFORD OR
2017-03-20 458-224-1XXX 1000–1999Assigned ONVOY, LLC - OR 750E ONTARIO OR
2017-03-14 458-209-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 EUGENE OR
2017-03-13 458-221-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 EUGENE OR
2017-03-13 458-221-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 EUGENE OR
2017-03-13 458-221-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 EUGENE OR
2017-02-07 458-292-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 BEND OR
2017-01-18 458-229-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 GRANTSPASS OR
2017-01-13 458-802-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 ROSEBURG OR
2017-01-13 458-802-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 ROSEBURG OR
2017-01-03 458-203-1XXX 1000–1999Assigned ONVOY, LLC - OR 750E ROGUERIVER OR
2017-01-03 458-223-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 LEBANON OR
2016-11-30 458-225-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 MEDFORD OR
2016-11-28 458-215-6XXX 6000–6999Assigned ONVOY, LLC - OR 750E EUGENE OR
2016-11-28 458-215-7XXX 7000–7999Assigned ONVOY, LLC - OR 750E EUGENE OR
2016-10-31 458-256-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEND OR
2016-10-26 458-218-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PRINEVILLE OR
2016-09-30 458-214-4XXX 4000–4999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - OR 7531 PHOENIX OR
2016-09-07 458-231-2XXX 2000–2999Assigned QWEST CORPORATION 9638 PRINEVILLE OR
2016-08-17 458-225-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F MEDFORD OR
2016-08-16 458-256-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F BEND OR
2016-08-01 458-229-0XXX 0000–0999Assigned UNITED STATES CELLULAR - OR 6349 GRANTSPASS OR
2016-07-27 458-224-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ONTARIO OR
2016-07-13 458-757-0XXX 0000–0999Assigned ONVOY, LLC - OR 750E MILTONFWTR OR
2016-07-13 458-757-1XXX 1000–1999Assigned ONVOY, LLC - OR 750E MILTONFWTR OR
2016-07-06 458-213-0XXX 0000–0999Assigned ONVOY, LLC - OR 750E WALLOWA OR
2016-07-05 458-225-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MEDFORD OR
2016-06-27 458-292-5XXX 5000–5999Assigned ONVOY, LLC - OR 750E BEND OR
2016-06-24 458-675-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F OAKRIDGE OR
2016-06-23 458-217-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F JUNCTIONCY OR
2016-06-23 458-219-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F HERMISTON OR
2016-06-20 458-219-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 HERMISTON OR
2016-06-17 458-207-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F VENETA OR
2016-06-17 458-212-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F GRANTSPASS OR
2016-06-17 458-292-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F BEND OR
2016-06-15 458-224-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 ONTARIO OR
2016-05-20 458-215-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J EUGENE OR
2016-04-25 458-292-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 BEND OR
2016-04-25 458-292-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 BEND OR
2016-04-25 458-292-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 BEND OR
2016-04-18 458-215-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 EUGENE OR
2016-04-05 458-225-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 MEDFORD OR
2016-03-18 458-204-0XXX 0000–0999Assigned ONVOY, LLC - OR 750E TOLEDO OR
2016-03-18 458-204-1XXX 1000–1999Assigned ONVOY, LLC - OR 750E TOLEDO OR

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.