NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 854-201

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 854-201 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 854 blocks

Most active assignees, all time — NPA 854
TELEPORT COMMUNICATIONS AMERICA SC- LLC 4
PEERLESS NETWORK OF SOUTH CAROLINA, LLC - SC 2
ONVOY, LLC - SC 2
ONVOY SPECTRUM, LLC 1
COMCAST IP PHONE, 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
2019-05-07 854-201-0XXX 0000–0999Assigned TELEPORT COMMUNICATIONS AMERICA SC- LLC 635C WALTERBORO SC
2019-05-30 854-201-1XXX 1000–1999Assigned PEERLESS NETWORK OF SOUTH CAROLINA, LLC - SC 098H WALTERBORO SC
2019-08-19 854-201-2XXX 2000–2999Assigned PEERLESS NETWORK OF SOUTH CAROLINA, LLC - SC 098H WALTERBORO SC
2019-09-27 854-201-3XXX 3000–3999Assigned ONVOY, LLC - SC 548E WALTERBORO SC
2019-12-16 854-201-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J WALTERBORO SC
2021-10-14 854-201-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H WALTERBORO SC
2019-01-04 854-201-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA SC- LLC 635C WALTERBORO SC
2019-01-04 854-201-7XXX 7000–7999Assigned TELEPORT COMMUNICATIONS AMERICA SC- LLC 635C WALTERBORO SC
2019-01-04 854-201-8XXX 8000–8999Assigned TELEPORT COMMUNICATIONS AMERICA SC- LLC 635C WALTERBORO SC
2019-05-30 854-201-9XXX 9000–9999Assigned ONVOY, LLC - SC 548E WALTERBORO SC

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.