NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 850-778

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 850-778 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
BANDWIDTH.COM CLEC, LLC - FL 6
POWERTEL JACKSONVILLE LICENSES, INC. 2
TELEPORT COMMUNICATIONS AMERICA, LLC - FL 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - 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
2006-07-12 850-778-0XXX 0000–0999Assigned POWERTEL JACKSONVILLE LICENSES, INC. 7472 TALLAHASSE FL
2011-04-22 850-778-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E TALLAHASSE FL
2011-04-22 850-778-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E TALLAHASSE FL
2011-04-22 850-778-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E TALLAHASSE FL
2009-06-03 850-778-4XXX 4000–4999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - FL 8300 TALLAHASSE FL
2011-04-22 850-778-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E TALLAHASSE FL
2006-01-17 850-778-6XXX 6000–6999Assigned POWERTEL JACKSONVILLE LICENSES, INC. 7472 TALLAHASSE FL
2022-09-29 850-778-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 6502 TALLAHASSE FL
2011-04-22 850-778-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E TALLAHASSE FL
2011-04-22 850-778-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E 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.