NumberResearch Membership · Data 09/19/2026

Thousands-blocks in 308-893

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 308-893 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 308 blocks

Most active assignees, all time — NPA 308
CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 7
ONVOY, LLC - NE 1
CHARTER IP ENABLED SERVICES, LLC 1
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
— 308-893-0XXX 0000–0999Reserved CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 RIVERDALE NE
— 308-893-1XXX 1000–1999Reserved CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 RIVERDALE NE
— 308-893-2XXX 2000–2999Reserved CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 RIVERDALE NE
— 308-893-3XXX 3000–3999Reserved CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 RIVERDALE NE
— 308-893-4XXX 4000–4999Reserved CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 RIVERDALE NE
— 308-893-5XXX 5000–5999Reserved CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 RIVERDALE NE
2019-11-25 308-893-6XXX 6000–6999Assigned ONVOY, LLC - NE 549E RIVERDALE NE
— 308-893-7XXX 7000–7999Available RIVERDALE NE
2018-11-09 308-893-8XXX 8000–8999Assigned CHARTER IP ENABLED SERVICES, LLC 792K RIVERDALE NE
— 308-893-9XXX 9000–9999Reserved CITIZENS TELECOM OF NE LLC DBA FRONTIER COM OF NE 1128 RIVERDALE NE

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.