Thousands-blocks in 504-788

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 504-788 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 504 blocks

Most active assignees, all time — NPA 504

ONVOY, LLC - LA 4

BANDWIDTH.COM CLEC, LLC - LA 2

TERRA NOVA TELECOM INC. 1

TELNYX LLC 1

METROPCS, INC. 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

Recent thousands-block assignments
Assigned	Thousands-block	Last 4 digits	Status	Assignee	OCN	Rate center	State
2020-01-16	504-788-0XXX	0000–0999	Assigned	TELNYX LLC	073H	LAFITTE	LA
2020-11-19	504-788-1XXX	1000–1999	Assigned	ONVOY, LLC - LA	749E	LAFITTE	LA
2020-11-19	504-788-2XXX	2000–2999	Assigned	ONVOY, LLC - LA	749E	LAFITTE	LA
2024-01-16	504-788-3XXX	3000–3999	Assigned	TERRA NOVA TELECOM INC.	145J	LAFITTE	LA
2021-11-08	504-788-4XXX	4000–4999	Assigned	BANDWIDTH.COM CLEC, LLC - LA	153F	LAFITTE	LA
2021-11-23	504-788-5XXX	5000–5999	Assigned	METROPCS, INC.	5562	LAFITTE	LA
2022-08-30	504-788-6XXX	6000–6999	Assigned	ONVOY, LLC - LA	749E	LAFITTE	LA
2025-04-09	504-788-7XXX	7000–7999	Assigned	ONVOY, LLC - LA	749E	LAFITTE	LA
2019-05-21	504-788-8XXX	8000–8999	Assigned	FRACTEL, LLC	965H	LAFITTE	LA
2020-08-05	504-788-9XXX	9000–9999	Assigned	BANDWIDTH.COM CLEC, LLC - LA	153F	LAFITTE	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.