NumberResearch Membership · Data 09/21/2026

Recent thousands-block assignments

0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/21/2026

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, all time — NPA 646
OMNIPOINT COMMUNICATIONS, INC. - NY 1083
PAETEC ITEL, LLC 609
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 595
NEW CINGULAR WIRELESS PCS, LLC - DC 518
BANDWIDTH.COM CLEC, LLC - NY 497
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
2009-01-27 646-368-0XXX 0000–0999Assigned YMAX COMMUNICATIONS CORP. - NY 282E NWYRCYZN01 NY
2009-01-27 646-368-5XXX 5000–5999Assigned YMAX COMMUNICATIONS CORP. - NY 282E NWYRCYZN01 NY
2009-01-27 646-368-7XXX 7000–7999Assigned YMAX COMMUNICATIONS CORP. - NY 282E NWYRCYZN01 NY
2009-01-27 646-434-5XXX 5000–5999Assigned YMAX COMMUNICATIONS CORP. - NY 282E NWYRCYZN01 NY
2009-01-27 646-434-6XXX 6000–6999Assigned YMAX COMMUNICATIONS CORP. - NY 282E NWYRCYZN01 NY
2009-01-27 646-434-7XXX 7000–7999Assigned YMAX COMMUNICATIONS CORP. - NY 282E NWYRCYZN01 NY
2009-01-27 646-807-1XXX 1000–1999Assigned YMAX COMMUNICATIONS CORP. - NY 282E NWYRCYZN01 NY
2009-01-27 646-875-4XXX 4000–4999Assigned YMAX COMMUNICATIONS CORP. - NY 282E NWYRCYZN01 NY
2009-01-27 646-875-5XXX 5000–5999Assigned YMAX COMMUNICATIONS CORP. - NY 282E NWYRCYZN01 NY
2009-01-27 646-929-4XXX 4000–4999Assigned YMAX COMMUNICATIONS CORP. - NY 282E NWYRCYZN01 NY
2009-01-22 646-368-9XXX 9000–9999Assigned TWC IP ENABLED SERVICES, LLC 793K NWYRCYZN01 NY
2009-01-20 646-484-7XXX 7000–7999Assigned PAETEC ITEL, LLC 829J NWYRCYZN01 NY
2009-01-09 646-368-8XXX 8000–8999Assigned ONVOY, LLC- NY 384C NWYRCYZN01 NY
2009-01-09 646-837-7XXX 7000–7999Assigned ONVOY, LLC- NY 384C NWYRCYZN01 NY
2008-12-23 646-743-0XXX 0000–0999Assigned VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
2008-12-23 646-743-1XXX 1000–1999Assigned VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
2008-12-23 646-743-2XXX 2000–2999Assigned VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
2008-12-23 646-743-3XXX 3000–3999Assigned VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
2008-12-23 646-743-4XXX 4000–4999Assigned VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
2008-12-23 646-743-5XXX 5000–5999Assigned VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
2008-12-23 646-743-6XXX 6000–6999Assigned VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
2008-12-23 646-743-7XXX 7000–7999Assigned VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
2008-12-23 646-743-8XXX 8000–8999Assigned VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
2008-12-23 646-743-9XXX 9000–9999Assigned VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
2008-12-18 646-368-1XXX 1000–1999Assigned TWC IP ENABLED SERVICES, LLC 793K NWYRCYZN01 NY
2008-12-12 646-448-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K NWYRCYZN01 NY
2008-12-09 646-368-6XXX 6000–6999Assigned PAETEC ITEL, LLC 829J NWYRCYZN01 NY
2008-12-09 646-448-3XXX 3000–3999Assigned PAETEC ITEL, LLC 829J NWYRCYZN01 NY
2008-12-03 646-395-7XXX 7000–7999Assigned PAETEC ITEL, LLC 829J NWYRCYZN01 NY
2008-12-03 646-841-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 NWYRCYZN01 NY
2008-12-03 646-841-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 NWYRCYZN01 NY
2008-12-03 646-841-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 NWYRCYZN01 NY
2008-12-01 646-807-0XXX 0000–0999Assigned XCHANGE TELECOM CORP. - NY 325B NWYRCYZN01 NY
2008-11-26 646-841-8XXX 8000–8999Assigned OMNIPOINT COMMUNICATIONS, INC. - NY 6622 NWYRCYZN01 NY
2008-11-21 646-360-1XXX 1000–1999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 NWYRCYZN01 NY
2008-11-21 646-360-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 NWYRCYZN01 NY
2008-11-21 646-484-2XXX 2000–2999Assigned PAETEC ITEL, LLC 829J NWYRCYZN01 NY
2008-11-21 646-484-3XXX 3000–3999Assigned PAETEC ITEL, LLC 829J NWYRCYZN01 NY
2008-11-21 646-484-4XXX 4000–4999Assigned PAETEC ITEL, LLC 829J NWYRCYZN01 NY
2008-11-19 646-289-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 NWYRCYZN01 NY
2008-11-14 646-484-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 NWYRCYZN01 NY
2008-11-14 646-484-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 NWYRCYZN01 NY
2008-11-07 646-556-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NY 6959 NWYRCYZN01 NY
2008-11-06 646-448-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - NY 4006 NWYRCYZN01 NY
2008-10-29 646-726-9XXX 9000–9999Assigned XCHANGE TELECOM CORP. - NY 325B NWYRCYZN01 NY
2008-10-27 646-726-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K NWYRCYZN01 NY
2008-10-13 646-395-4XXX 4000–4999Assigned PAETEC ITEL, LLC 829J NWYRCYZN01 NY
2008-10-13 646-395-5XXX 5000–5999Assigned PAETEC ITEL, LLC 829J NWYRCYZN01 NY
2008-10-13 646-666-5XXX 5000–5999Assigned PAETEC ITEL, LLC 829J NWYRCYZN01 NY
2008-10-08 646-666-0XXX 0000–0999Assigned TWC IP ENABLED SERVICES, LLC 793K NWYRCYZN01 NY

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/21/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.