NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 318-877

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 318-877 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 318 blocks

Most active assignees, all time — NPA 318
5
ONVOY, LLC - LA 2
ONVOY SPECTRUM, LLC 1
FRACTEL, 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
2023-06-14 318-877-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H BELCHER LA
— 318-877-1XXX 1000–1999Available BELCHER LA
2020-05-28 318-877-2XXX 2000–2999Assigned ONVOY, LLC - LA 749E BELCHER LA
2020-05-28 318-877-3XXX 3000–3999Assigned ONVOY, LLC - LA 749E BELCHER LA
— 318-877-4XXX 4000–4999Available BELCHER LA
— 318-877-5XXX 5000–5999Available BELCHER LA
— 318-877-6XXX 6000–6999Available BELCHER LA
2019-05-22 318-877-7XXX 7000–7999Assigned FRACTEL, LLC 965H BELCHER LA
2024-02-21 318-877-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J BELCHER LA
— 318-877-9XXX 9000–9999Available BELCHER LA

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.