NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 850-329

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 850-329 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 850 blocks

Most active assignees, all time — NPA 850
COMCAST IP PHONE, LLC 3
BANDWIDTH.COM CLEC, LLC - FL 3
TELEPORT COMMUNICATIONS AMERICA, LLC - FL 2
MCIMETRO ACCESS TRANSMISSION SERVICES LLC 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
2009-12-10 850-329-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E TALLAHASSE FL
2016-09-15 850-329-1XXX 1000–1999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - FL 8300 TALLAHASSE FL
2014-10-28 850-329-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J TALLAHASSE FL
2007-05-03 850-329-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 TALLAHASSE FL
2007-05-03 850-329-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 TALLAHASSE FL
2010-10-05 850-329-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E TALLAHASSE FL
2007-07-16 850-329-6XXX 6000–6999Assigned COMCAST IP PHONE, LLC 318J TALLAHASSE FL
2007-07-16 850-329-7XXX 7000–7999Assigned COMCAST IP PHONE, LLC 318J TALLAHASSE FL
2010-10-05 850-329-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E TALLAHASSE FL
— 850-329-9XXX 9000–9999Reserved TELEPORT COMMUNICATIONS AMERICA, LLC - FL 8300 TALLAHASSE 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.