Recent prefix assignments

2 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/20/2026

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

The Code holder is who opened each NPA-NXX prefix — not necessarily who holds the numbers. A prefix is 10,000 numbers, but under pooling its ten 1,000-number blocks are handed out individually, often to different carriers; the code holder may hold only one block, or none. The Thousands-blocks column shows how the ten blocks are really split — click which blocks → to see who holds each 1,000-number block and its last-4-digit range. Assignments are initial assignments; the current serving carrier may differ due to portability.

Most active assignees, last 30 days — NPA 682

T-MOBILE USA, INC. 1

ONVOY, LLC - TX 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 NPA-NXX prefix assignments
Assigned	NPA-NXX	Thousands-blocks taken (last-4 opening)	Code holder	OCN	Rate center	State
2001-07-05	682-433	1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX which blocks →	LEVEL 3 OF TELECOM OF TEXAS, LLC - TX	7516	ARLINGTON	TX
2001-07-05	682-463	1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 3 holders which blocks →	LEVEL 3 OF TELECOM OF TEXAS, LLC - TX	7516	ATLAS	TX
2001-07-05	682-478	2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks →	LEVEL 3 OF TELECOM OF TEXAS, LLC - TX	7516	GLENDALE	TX
2001-07-05	682-502	1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 4 holders which blocks →	LEVEL 3 OF TELECOM OF TEXAS, LLC - TX	7516	ROANOKE	TX
2001-07-05	682-503	1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 5 holders which blocks →	LEVEL 3 OF TELECOM OF TEXAS, LLC - TX	7516	EULESS	TX
2001-07-05	682-587	1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 4 holders which blocks →	LEVEL 3 OF TELECOM OF TEXAS, LLC - TX	7516	KENNEDALE	TX
2001-07-05	682-747	1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 3 holders which blocks →	LEVEL 3 OF TELECOM OF TEXAS, LLC - TX	7516	FORT WORTH	TX
2001-06-14	682-286	0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX · 6 holders which blocks →	SOUTHWESTERN BELL	9533	FORT WORTH	TX
2001-05-14	682-459	1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks →	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	671J	CLEBURNE	TX
2001-05-02	682-867	not yet reported which blocks →	SOUTHWESTERN BELL	9533	ARLINGTON	TX
2001-03-07	682-518	2XXX3XXX4XXX · 3 holders which blocks →	SOUTHWESTERN BELL	9533	MANSFIELD	TX
2001-03-07	682-647	5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks →	SOUTHWESTERN BELL	9533	FORT WORTH	TX
2001-03-07	682-885	not yet reported which blocks →	SOUTHWESTERN BELL	9533	FORT WORTH	TX
2001-02-08	682-605	not yet reported which blocks →	TELEPORT COMMUNICATIONS AMERICA, LLC - TX	7148	ROANOKE	TX
2001-02-08	682-606	not yet reported which blocks →	TELEPORT COMMUNICATIONS AMERICA, LLC - TX	7148	ROANOKE	TX
2001-01-10	682-237	0XXX1XXX2XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks →	SOUTHWESTERN BELL	9533	ROANOKE	TX
2001-01-09	682-626	0XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 8 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - TX	6114	ATLAS	TX
—	682-211	not yet reported which blocks →	MULTIPLE OCN LISTING	MULT	XXXXXXXXXX	TX
—	682-214	0XXX1XXX2XXX3XXX4XXX6XXX7XXX8XXX9XXX · 3 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - TX	6114	NRICHLDHLS	TX
—	682-216	0–9 XXXall 10 · 3 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX	6506	ARLINGTON	TX
—	682-222	0–9 XXXall 10 · 4 holders which blocks →	ONVOY, LLC - TX	903C	MANSFIELD	TX
—	682-225	0–9 XXXall 10 · 2 holders which blocks →	ONVOY, LLC - TX	903C	GLENDALE	TX
—	682-231	0–9 XXXall 10 · 3 holders which blocks →	ONVOY, LLC - TX	903C	FORT WORTH	TX
—	682-235	0–9 XXXall 10 · 2 holders which blocks →	ONVOY, LLC - TX	903C	FORT WORTH	TX
—	682-248	0–9 XXXall 10 · 2 holders which blocks →	T-MOBILE USA, INC.	6529	ARLINGTON	TX
—	682-253	1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks →	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	671J	ATLAS	TX
—	682-257	0–9 XXXall 10 · 5 holders which blocks →	METROPCS, INC.	5562	NRICHLDHLS	TX
—	682-263	0–9 XXXall 10 · 2 holders which blocks →	ONVOY, LLC - TX	903C	GLENDALE	TX
—	682-267	not yet reported which blocks →	ONVOY, LLC - TX	903C	FORT WORTH	TX
—	682-311	not yet reported which blocks →	MULTIPLE OCN LISTING	MULT	XXXXXXXXXX	TX
—	682-318	0–9 XXXall 10 · 5 holders which blocks →	ONVOY, LLC - TX	903C	ARLINGTON	TX
—	682-334	1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks →	ONVOY, LLC - TX	903C	NRICHLDHLS	TX
—	682-350	0–9 XXXall 10 · 5 holders which blocks →	BANDWIDTH.COM CLEC, LLC - TX	004F	FORT WORTH	TX
—	682-365	not yet reported which blocks →	T-MOBILE USA, INC.	6529	ARLINGTON	TX
—	682-411	not yet reported which blocks →	MULTIPLE OCN LISTING	MULT	XXXXXXXXXX	TX
—	682-429	not yet reported which blocks →	NEW CINGULAR WIRELESS PCS, LLC - IL	6534	GLENDALE	TX
—	682-432	1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks →	ONVOY, LLC - TX	903C	FORT WORTH	TX
—	682-452	0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 3 holders which blocks →	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	EULESS	TX
—	682-465	none assigned yet which blocks →	T-MOBILE USA, INC.	6529	ARLINGTON	TX
—	682-472	not yet reported which blocks →	T-MOBILE USA, INC.	6529	ARLINGTON	TX
—	682-498	0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 7 holders which blocks →	BANDWIDTH.COM CLEC, LLC - TX	004F	GRANBURY	TX
—	682-511	not yet reported which blocks →	MULTIPLE OCN LISTING	MULT	XXXXXXXXXX	TX
—	682-521	0–9 XXXall 10 · 2 holders which blocks →	T-MOBILE USA, INC.	6529	ARLINGTON	TX
—	682-549	0XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - TX	6114	ROANOKE	TX
—	682-551	not yet reported which blocks →	T-MOBILE USA, INC.	6529	ARLINGTON	TX
—	682-552	not yet reported which blocks →	T-MOBILE USA, INC.	6529	ARLINGTON	TX
—	682-553	not yet reported which blocks →	T-MOBILE USA, INC.	6529	ARLINGTON	TX
—	682-554	not yet reported which blocks →	T-MOBILE USA, INC.	6529	ARLINGTON	TX
—	682-555	not yet reported which blocks →	MULTIPLE OCN LISTING	MULT	DIR ASST	TX
—	682-556	3XXX4XXX5XXX7XXX8XXX which blocks →	T-MOBILE USA, INC.	6529	ARLINGTON	TX

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.