NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 954-688

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026

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

The ten 1,000-number thousand-blocks inside prefix 954-688 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 954 blocks

Most active assignees, all time — NPA 954
LEVEL 3 COMMUNICATIONS, LLC - FL 2
DSL INTERNET CORPORATION - FL 2
TELEPORT COMMUNICATIONS AMERICA, LLC - FL 1
ONVOY, LLC - FL 1
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL 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
2007-06-14 954-688-0XXX 0000–0999Assigned DSL INTERNET CORPORATION - FL 9264 CORAL SPG FL
2007-07-11 954-688-1XXX 1000–1999Assigned DSL INTERNET CORPORATION - FL 9264 CORAL SPG FL
2006-07-24 954-688-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - FL 8664 CORAL SPG FL
2005-03-31 954-688-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 CORAL SPG FL
2005-03-31 954-688-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 CORAL SPG FL
— 954-688-5XXX 5000–5999Reserved TELEPORT COMMUNICATIONS AMERICA, LLC - FL 8300 CORAL SPG FL
2009-04-02 954-688-6XXX 6000–6999Assigned AT&T ENTERPRISES, LLC 516C CORAL SPG FL
2007-09-21 954-688-7XXX 7000–7999Assigned ONVOY, LLC - FL 937C CORAL SPG FL
2006-05-15 954-688-8XXX 8000–8999Assigned BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 CORAL SPG FL
2009-04-13 954-688-9XXX 9000–9999Assigned COMCAST IP PHONE, LLC 318J CORAL SPG FL

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.