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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2015-04-23 971-772-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F WOODBURN OR
2015-04-23 971-772-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F WOODBURN OR
2015-04-23 971-813-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F ST HELENS OR
2015-04-23 971-813-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F ST HELENS OR
2015-04-20 971-204-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F CLACKAMAS OR
2015-04-20 971-204-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F CLACKAMAS OR
2015-04-20 971-206-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F CLACKAMAS OR
2015-04-20 971-231-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F GRESHAM OR
2015-04-20 971-231-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F GRESHAM OR
2015-04-20 971-231-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F GRESHAM OR
2015-04-20 971-232-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F NORTH PL OR
2015-04-20 971-232-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F NORTH PL OR
2015-04-20 971-232-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F NORTH PL OR
2015-04-20 971-274-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F GRESHAM OR
2015-04-20 971-274-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F GRESHAM OR
2015-04-20 971-770-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F BEAVERTON OR
2015-04-20 971-770-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F BEAVERTON OR
2015-04-20 971-770-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F BEAVERTON OR
2015-04-20 971-770-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F BEAVERTON OR
2015-04-14 971-339-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J PORTLAND OR
2015-04-13 971-772-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 WOODBURN OR
2015-04-09 971-718-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 SALEM OR
2015-04-09 971-718-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 SALEM OR
2015-04-08 971-325-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PORTLAND OR
2015-04-08 971-325-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PORTLAND OR
2015-04-08 971-325-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 PORTLAND OR
2015-03-11 971-713-6XXX 6000–6999Assigned METROPCS, INC. 5562 BEAVERTON OR
2015-03-09 971-716-2XXX 2000–2999Assigned T-MOBILE USA, INC. 6529 MCMINNVL OR
2015-03-09 971-716-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 MCMINNVL OR
2015-03-03 971-770-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEAVERTON OR
2015-03-03 971-770-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEAVERTON OR
2015-03-03 971-770-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEAVERTON OR
2015-03-03 971-770-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEAVERTON OR
2015-03-03 971-770-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEAVERTON OR
2015-03-03 971-770-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEAVERTON OR
2015-02-25 971-339-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J PORTLAND OR
2015-02-16 971-339-9XXX 9000–9999Assigned ASTOUND BROADBAND, LLC - OR 936F PORTLAND OR
2015-02-10 971-716-4XXX 4000–4999Assigned T-MOBILE USA, INC. 6529 MCMINNVL OR
2015-01-19 971-601-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 SEASIDE OR
2015-01-19 971-716-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 MCMINNVL OR
2015-01-07 971-713-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEAVERTON OR
2015-01-07 971-713-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEAVERTON OR
2014-12-26 971-331-0XXX 0000–0999Assigned METROPCS, INC. 5562 PORTLAND OR
2014-12-26 971-352-7XXX 7000–7999Assigned METROPCS, INC. 5562 PORTLAND OR
2014-12-26 971-352-9XXX 9000–9999Assigned METROPCS, INC. 5562 PORTLAND OR
2014-12-26 971-813-3XXX 3000–3999Assigned T-MOBILE USA, INC. 6529 ST HELENS OR
2014-12-26 971-915-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 SALEM OR
2014-12-19 971-713-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J BEAVERTON OR
2014-12-19 971-713-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEAVERTON OR
2014-12-19 971-713-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEAVERTON 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.