Recent thousands-block assignments

9 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.

Most active assignees, last 30 days — NPA 903

ONVOY, LLC - TX 6

MCIMETRO ACCESS TRANSMISSION SERVICES LLC 3

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
2016-03-16	903-623-1XXX	1000–1999	Assigned	ONVOY, LLC - TX	903C	WINDOM	TX
2016-03-16	903-623-9XXX	9000–9999	Assigned	ONVOY, LLC - TX	903C	WINDOM	TX
2016-03-16	903-829-8XXX	8000–8999	Assigned	ONVOY, LLC - TX	903C	OAKLAND	TX
2016-03-16	903-945-0XXX	0000–0999	Assigned	ONVOY, LLC - TX	903C	BIRTHRIGHT	TX
2016-03-16	903-961-1XXX	1000–1999	Assigned	ONVOY, LLC - TX	903C	ECTOR	TX
2016-03-16	903-961-6XXX	6000–6999	Assigned	ONVOY, LLC - TX	903C	ECTOR	TX
2016-03-16	903-999-1XXX	1000–1999	Assigned	ONVOY, LLC - TX	903C	MARTINS ML	TX
2016-03-16	903-999-2XXX	2000–2999	Assigned	ONVOY, LLC - TX	903C	MARTINS ML	TX
2016-03-15	903-287-7XXX	7000–7999	Assigned	ONVOY, LLC - TX	903C	CANTON	TX
2016-03-15	903-300-0XXX	0000–0999	Assigned	ONVOY, LLC - TX	903C	COOPER	TX
2016-03-15	903-300-1XXX	1000–1999	Assigned	ONVOY, LLC - TX	903C	COOPER	TX
2016-03-15	903-326-6XXX	6000–6999	Assigned	ONVOY, LLC - TX	903C	RICE	TX
2016-03-15	903-326-7XXX	7000–7999	Assigned	ONVOY, LLC - TX	903C	RICE	TX
2016-03-15	903-474-8XXX	8000–8999	Assigned	ONVOY, LLC - TX	903C	EMORY	TX
2016-03-15	903-502-9XXX	9000–9999	Assigned	ONVOY, LLC - TX	903C	CANTON	TX
2016-03-15	903-809-1XXX	1000–1999	Assigned	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	TEXARKANA	TX
2016-03-15	903-913-8XXX	8000–8999	Assigned	ONVOY, LLC - TX	903C	GRANDSALIN	TX
2016-03-15	903-913-9XXX	9000–9999	Assigned	ONVOY, LLC - TX	903C	GRANDSALIN	TX
2016-03-15	903-953-1XXX	1000–1999	Assigned	ONVOY, LLC - TX	903C	EMORY	TX
2016-03-14	903-419-4XXX	4000–4999	Assigned	ONVOY, LLC - TX	903C	POTTSBORO	TX
2016-03-14	903-419-5XXX	5000–5999	Assigned	ONVOY, LLC - TX	903C	POTTSBORO	TX
2016-03-14	903-564-0XXX	0000–0999	Assigned	ONVOY, LLC - TX	903C	WHITESBORO	TX
2016-03-14	903-564-1XXX	1000–1999	Assigned	ONVOY, LLC - TX	903C	WHITESBORO	TX
2016-03-14	903-573-7XXX	7000–7999	Assigned	ONVOY, LLC - TX	903C	MTPLEASANT	TX
2016-03-07	903-201-0XXX	0000–0999	Assigned	ONVOY, LLC - TX	903C	LEONARD	TX
2016-03-07	903-201-1XXX	1000–1999	Assigned	ONVOY, LLC - TX	903C	LEONARD	TX
2016-03-07	903-329-2XXX	2000–2999	Assigned	ONVOY, LLC - TX	903C	ROANE	TX
2016-03-07	903-329-3XXX	3000–3999	Assigned	ONVOY, LLC - TX	903C	ROANE	TX
2016-03-07	903-420-3XXX	3000–3999	Assigned	ONVOY, LLC - TX	903C	EMHOUSE	TX
2016-03-07	903-420-4XXX	4000–4999	Assigned	ONVOY, LLC - TX	903C	EMHOUSE	TX
2016-03-07	903-518-2XXX	2000–2999	Assigned	ONVOY, LLC - TX	903C	BELLSSAVOY	TX
2016-03-07	903-518-3XXX	3000–3999	Assigned	ONVOY, LLC - TX	903C	BELLSSAVOY	TX
2016-03-07	903-627-2XXX	2000–2999	Assigned	ONVOY, LLC - TX	903C	VANALSTYNE	TX
2016-03-07	903-627-4XXX	4000–4999	Assigned	ONVOY, LLC - TX	903C	VANALSTYNE	TX
2016-03-07	903-914-3XXX	3000–3999	Assigned	ONVOY, LLC - TX	903C	CASH	TX
2016-03-07	903-914-4XXX	4000–4999	Assigned	ONVOY, LLC - TX	903C	CASH	TX
2016-03-04	903-200-0XXX	0000–0999	Assigned	IP HORIZON LLC	515J	COLLINSVL	TX
2016-03-04	903-200-3XXX	3000–3999	Assigned	ONVOY, LLC - TX	903C	COLLINSVL	TX
2016-03-04	903-200-8XXX	8000–8999	Assigned	ONVOY, LLC - TX	903C	COLLINSVL	TX
2016-03-04	903-206-1XXX	1000–1999	Assigned	ONVOY, LLC - TX	903C	TRENTON	TX
2016-03-04	903-206-2XXX	2000–2999	Assigned	ONVOY, LLC - TX	903C	TRENTON	TX
2016-03-04	903-294-7XXX	7000–7999	Assigned	IP HORIZON LLC	515J	SHERMAN	TX
2016-03-04	903-751-1XXX	1000–1999	Assigned	ONVOY, LLC - TX	903C	CADDOMILLS	TX
2016-03-04	903-751-6XXX	6000–6999	Assigned	ONVOY, LLC - TX	903C	CADDOMILLS	TX
2016-03-04	903-765-0XXX	0000–0999	Assigned	ONVOY, LLC - TX	903C	ALBA	TX
2016-03-04	903-765-1XXX	1000–1999	Assigned	ONVOY, LLC - TX	903C	ALBA	TX
2016-03-03	903-367-0XXX	0000–0999	Assigned	ONVOY, LLC - TX	903C	LADONIA	TX
2016-03-03	903-443-8XXX	8000–8999	Assigned	ONVOY, LLC - TX	903C	LADONIA	TX
2016-03-03	903-505-5XXX	5000–5999	Assigned	ONVOY, LLC - TX	903C	BONHAM	TX
2016-03-03	903-505-6XXX	6000–6999	Assigned	ONVOY, LLC - TX	903C	BONHAM	TX

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.