NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

14 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 971
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 8
ONVOY, LLC - OR 2
T-MOBILE USA, INC. 1
NEW CINGULAR WIRELESS PCS, LLC 1
EXIANT COMMUNICATIONS 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
2014-02-21 971-337-1XXX 1000–1999Assigned HUNTER CONSTRUCTION, INC. DBA HUNTER COMMS - OR 660C PORTLAND OR
2014-02-12 971-701-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 SALEM OR
2014-02-07 971-801-1XXX 1000–1999Assigned BENDTEL, INC. - OR 9627 PORTLAND OR
2014-02-03 971-407-2XXX 2000–2999Assigned PAETEC ITEL, LLC 829J PORTLAND OR
2014-01-29 971-315-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - OR 3234 AUMSVLTRNR OR
2014-01-29 971-316-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J GRAND IS OR
2014-01-29 971-318-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J AMITY OR
2014-01-28 971-371-5XXX 5000–5999Assigned PAETEC ITEL, LLC 829J BEAVERTON OR
2014-01-28 971-706-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 MCMINNVL OR
2014-01-24 971-203-5XXX 5000–5999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J ST HELENS OR
2014-01-24 971-213-1XXX 1000–1999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J SHERWOOD OR
2014-01-24 971-281-3XXX 3000–3999Assigned ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 7172 NEWBERG OR
2014-01-24 971-314-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J VERNONIA OR
2014-01-24 971-320-3XXX 3000–3999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J SEASIDE OR
2014-01-24 971-343-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J SILVERTON OR
2014-01-24 971-706-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J MCMINNVL OR
2014-01-24 971-999-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - OR 3234 YAMHILL OR
2014-01-23 971-251-6XXX 6000–6999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J RAINIER OR
2014-01-22 971-307-5XXX 5000–5999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J FALLS CITY OR
2014-01-22 971-333-5XXX 5000–5999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J HOOD LAND OR
2014-01-22 971-545-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - OR 3234 DAYTON OR
2014-01-22 971-800-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MILL CITY OR
2014-01-21 971-706-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J MCMINNVL OR
2014-01-14 971-407-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 PORTLAND OR
2014-01-13 971-706-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 MCMINNVL OR
2014-01-03 971-371-7XXX 7000–7999Assigned ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 7172 BEAVERTON OR
2014-01-03 971-701-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - OR 3234 SALEM OR
2013-12-27 971-284-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PORTLAND OR
2013-12-27 971-284-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PORTLAND OR
2013-12-27 971-284-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PORTLAND OR
2013-12-27 971-284-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PORTLAND OR
2013-12-27 971-284-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PORTLAND OR
2013-12-27 971-284-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PORTLAND OR
2013-12-27 971-284-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PORTLAND OR
2013-12-27 971-284-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PORTLAND OR
2013-12-27 971-284-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PORTLAND OR
2013-12-26 971-203-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 ST HELENS OR
2013-12-18 971-703-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - OR 3234 PORTLAND OR
2013-12-17 971-273-0XXX 0000–0999Assigned COMCAST IP PHONE, LLC 318J SALEM OR
2013-12-17 971-703-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J PORTLAND OR
2013-12-13 971-802-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 SHERIDAN OR
2013-12-12 971-308-6XXX 6000–6999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J CANNON BCH OR
2013-12-05 971-213-6XXX 6000–6999Assigned ONVOY, LLC - OR 750E SHERWOOD OR
2013-12-05 971-213-7XXX 7000–7999Assigned ONVOY, LLC - OR 750E SHERWOOD OR
2013-12-05 971-251-7XXX 7000–7999Assigned ONVOY, LLC - OR 750E RAINIER OR
2013-12-05 971-251-8XXX 8000–8999Assigned ONVOY, LLC - OR 750E RAINIER OR
2013-12-05 971-260-8XXX 8000–8999Assigned ONVOY, LLC - OR 750E CLATSKANIE OR
2013-12-05 971-260-9XXX 9000–9999Assigned ONVOY, LLC - OR 750E CLATSKANIE OR
2013-12-05 971-274-4XXX 4000–4999Assigned ONVOY, LLC - OR 750E GRESHAM OR
2013-12-05 971-274-5XXX 5000–5999Assigned ONVOY, LLC - OR 750E GRESHAM 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.