NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

2 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 541
ONVOY, LLC - OR 2
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
2014-09-18 541-907-0XXX 0000–0999Assigned PEERLESS NETWORK OF OREGON, LLC - OR 157F LAPINE OR
2014-09-18 541-970-9XXX 9000–9999Assigned PEERLESS NETWORK OF OREGON, LLC - OR 157F PENDLETON OR
2014-09-17 541-216-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ONTARIO OR
2014-09-17 541-406-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BAKER OR
2014-09-17 541-654-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J EUGENE OR
2014-09-04 541-204-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J LEABURG OR
2014-09-04 541-285-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 EUGENE OR
2014-09-04 541-357-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 EUGENE OR
2014-09-04 541-393-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 EUGENE OR
2014-09-04 541-699-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 REDMOND OR
2014-09-02 541-250-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 CORVALLIS OR
2014-08-29 541-500-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 MEDFORD OR
2014-08-29 541-801-9XXX 9000–9999Assigned T-MOBILE USA, INC. 6529 ALBANY OR
2014-08-29 541-972-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 EUGENE OR
2014-08-28 541-735-7XXX 7000–7999Assigned T-MOBILE USA, INC. 6529 EUGENE OR
2014-08-27 541-368-8XXX 8000–8999Assigned T-MOBILE USA, INC. 6529 CORVALLIS OR
2014-08-20 541-596-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - OR 3234 O BRIEN OR
2014-08-20 541-597-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J SELMA OR
2014-08-20 541-730-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F ALBANY OR
2014-08-20 541-777-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 MADRAS OR
2014-08-19 541-658-5XXX 5000–5999Assigned CHARTER IP ENABLED SERVICES, LLC 792K CRESWELL OR
2014-08-18 541-837-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - OR 3234 AZALEA OR
2014-08-18 541-866-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J WOLF CREEK OR
2014-08-15 541-668-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 BEND OR
2014-08-15 541-668-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 BEND OR
2014-08-15 541-972-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 EUGENE OR
2014-08-15 541-972-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 EUGENE OR
2014-08-13 541-887-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 KLAMATHFLS OR
2014-08-07 541-972-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 EUGENE OR
2014-08-07 541-972-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 EUGENE OR
2014-08-07 541-972-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 EUGENE OR
2014-08-06 541-699-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 REDMOND OR
2014-07-31 541-243-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 CORVALLIS OR
2014-07-31 541-243-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 CORVALLIS OR
2014-07-29 541-213-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 BEND OR
2014-07-24 541-646-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 MEDFORD OR
2014-07-24 541-816-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 MEDFORD OR
2014-07-22 541-238-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - OR 076F KLAMATHFLS OR
2014-07-14 541-497-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 ALBANY OR
2014-07-10 541-816-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 MEDFORD OR
2014-07-08 541-497-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J ALBANY OR
2014-07-03 541-286-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 CORVALLIS OR
2014-07-03 541-730-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 ALBANY OR
2014-06-26 541-751-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 COOS BAY OR
2014-06-25 541-226-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR 5820 GRANTSPASS OR
2014-06-25 541-262-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J OREGONSLOP OR
2014-06-25 541-293-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J NYSSA OR
2014-06-25 541-473-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J VALE OR
2014-06-25 541-809-2XXX 2000–2999Assigned ONVOY, LLC - OR 750E MILTONFWTR OR
2014-06-23 541-203-9XXX 9000–9999Assigned ONVOY, LLC - OR 750E STATELINE 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.