NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 820-800

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 820-800 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 820 blocks

Most active assignees, all time — NPA 820
COMMIO, LLC 3
ONVOY, LLC - CA 2
ONVOY SPECTRUM, LLC 2
FRACTEL, LLC 2
TELEPORT COMMUNICATIONS AMERICA, LLC - CA 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
2019-12-05 820-800-0XXX 0000–0999Assigned FRACTEL, LLC 965H CAYUCOS CA
2021-06-30 820-800-1XXX 1000–1999Assigned ONVOY, LLC - CA 649C CAYUCOS CA
2024-01-02 820-800-2XXX 2000–2999Assigned COMMIO, LLC 939H CAYUCOS CA
2021-11-17 820-800-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H CAYUCOS CA
2021-11-17 820-800-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H CAYUCOS CA
2022-01-25 820-800-5XXX 5000–5999Assigned COMMIO, LLC 939H CAYUCOS CA
2020-10-27 820-800-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - CA 7139 CAYUCOS CA
2021-04-13 820-800-7XXX 7000–7999Assigned ONVOY, LLC - CA 649C CAYUCOS CA
2019-12-05 820-800-8XXX 8000–8999Assigned FRACTEL, LLC 965H CAYUCOS CA
2022-01-25 820-800-9XXX 9000–9999Assigned COMMIO, LLC 939H CAYUCOS 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.