NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 559-802

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/19/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The ten 1,000-number thousand-blocks inside prefix 559-802 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 559 blocks

Most active assignees, all time — NPA 559
NEW CINGULAR WIRELESS PCS, LLC 5
U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 1
TELEPORT COMMUNICATIONS AMERICA, LLC - CA 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC 1
COMCAST PHONE OF CALIFORNIA, 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
2006-05-09 559-802-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 VISALIA CA
2005-08-15 559-802-1XXX 1000–1999Assigned U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 671J VISALIA CA
2006-09-28 559-802-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 VISALIA CA
2007-08-27 559-802-3XXX 3000–3999Assigned COMCAST PHONE OF CALIFORNIA, LLC 394L VISALIA CA
2006-12-01 559-802-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 VISALIA CA
2011-08-16 559-802-5XXX 5000–5999Assigned AT&T ENTERPRISES, LLC 516C VISALIA CA
2005-08-31 559-802-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 VISALIA CA
2005-08-31 559-802-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 VISALIA CA
2005-08-31 559-802-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC 6010 VISALIA CA
— 559-802-9XXX 9000–9999Reserved TELEPORT COMMUNICATIONS AMERICA, LLC - CA 7145 VISALIA CA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.