NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 810-799

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 810-799 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 810 blocks

Most active assignees, all time — NPA 810
5
ONVOY SPECTRUM, LLC 2
TON80 COMMUNICATIONS, LLC 1
TELEPORT COMMUNICATIONS AMERICA, LLC - MI 1
FRACTEL, 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
— 810-799-0XXX 0000–0999Available GRANDBLANC MI
2021-11-02 810-799-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H GRANDBLANC MI
2021-11-02 810-799-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H GRANDBLANC MI
— 810-799-3XXX 3000–3999Available GRANDBLANC MI
— 810-799-4XXX 4000–4999Available GRANDBLANC MI
— 810-799-5XXX 5000–5999Available GRANDBLANC MI
2021-10-08 810-799-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - MI 770E GRANDBLANC MI
— 810-799-7XXX 7000–7999Available GRANDBLANC MI
2021-09-17 810-799-8XXX 8000–8999Assigned TON80 COMMUNICATIONS, LLC 516J GRANDBLANC MI
2021-04-05 810-799-9XXX 9000–9999Assigned FRACTEL, LLC 965H GRANDBLANC MI

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.