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
2011-11-07 971-200-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PORTLAND OR
2011-11-04 971-203-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ST HELENS OR
2011-10-21 971-229-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PORTLAND OR
2011-10-21 971-271-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PORTLAND OR
2011-10-19 971-261-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MCMINNVL OR
2011-10-19 971-273-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SALEM OR
2011-10-14 971-200-4XXX 4000–4999Assigned ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 7172 PORTLAND OR
2011-10-13 971-333-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - OR 3234 HOOD LAND OR
2011-10-12 971-271-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J PORTLAND OR
2011-10-12 971-271-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J PORTLAND OR
2011-09-28 971-229-5XXX 5000–5999Assigned QWEST CORPORATION 9638 PORTLAND OR
2011-09-28 971-229-6XXX 6000–6999Assigned QWEST CORPORATION 9638 PORTLAND OR
2011-09-28 971-264-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - OR 3234 NEWBERG OR
2011-09-26 971-271-5XXX 5000–5999Assigned PAETEC ITEL, LLC 829J PORTLAND OR
2011-09-26 971-271-6XXX 6000–6999Assigned ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 7172 PORTLAND OR
2011-09-23 971-229-0XXX 0000–0999Assigned COMCAST IP PHONE, LLC 318J PORTLAND OR
2011-09-23 971-229-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J PORTLAND OR
2011-09-09 971-261-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J MCMINNVL OR
2011-09-09 971-600-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J SALEM OR
2011-09-06 971-225-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 ST HELENS OR
2011-09-06 971-600-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 SALEM OR
2011-08-29 971-245-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J BEAVERTON OR
2011-08-17 971-220-7XXX 7000–7999Assigned ONVOY, LLC - OR 750E GRESHAM OR
2011-08-17 971-229-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PORTLAND OR
2011-08-17 971-229-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PORTLAND OR
2011-08-15 971-273-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SALEM OR
2011-08-11 971-229-7XXX 7000–7999Assigned ONVOY, LLC - OR 750E PORTLAND OR
2011-08-11 971-229-8XXX 8000–8999Assigned ONVOY, LLC - OR 750E PORTLAND OR
2011-08-11 971-245-7XXX 7000–7999Assigned ONVOY, LLC - OR 750E BEAVERTON OR
2011-08-11 971-373-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J PORTLAND OR
2011-08-02 971-600-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F SALEM OR
2011-08-01 971-245-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F BEAVERTON OR
2011-08-01 971-245-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F BEAVERTON OR
2011-08-01 971-245-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F BEAVERTON OR
2011-08-01 971-248-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F VERNONIA OR
2011-08-01 971-800-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F MILL CITY OR
2011-07-27 971-599-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 SALEM OR
2011-07-21 971-373-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F PORTLAND OR
2011-07-21 971-373-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F PORTLAND OR
2011-07-21 971-373-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F PORTLAND OR
2011-07-21 971-373-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F PORTLAND OR
2011-07-20 971-599-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F SALEM OR
2011-07-19 971-225-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F ST HELENS OR
2011-07-11 971-263-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PORTLAND OR
2011-07-11 971-263-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PORTLAND OR
2011-07-11 971-373-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PORTLAND OR
2011-07-06 971-599-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 SALEM OR
2011-07-05 971-266-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PORTLAND OR
2011-07-05 971-295-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PORTLAND OR
2011-07-05 971-295-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 PORTLAND 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.