Recent prefix assignments

1 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026

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 971

NEW CINGULAR WIRELESS PCS, 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

Recent NPA-NXX prefix assignments
Assigned	NPA-NXX	Thousands-blocks taken (last-4 opening)	Code holder	OCN	Rate center	State
2010-05-26	971-343	0–9 XXXall 10 · 8 holders which blocks →	BANDWIDTH.COM CLEC, LLC - OR	076F	SILVERTON	OR
2010-03-25	971-269	0–9 XXXall 10 · 5 holders which blocks →	ELTOPIA COMMUNICATIONS LLC - OR	647F	PORTLAND	OR
2010-03-11	971-279	0–9 XXXall 10 · 5 holders which blocks →	MBC TELECOM, LLC - OR	985F	PORTLAND	OR
2010-01-13	971-267	0–9 XXXall 10 · 4 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR	5820	MCMINNVL	OR
2009-10-22	971-257	1XXX2XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks →	CHARTER IP ENABLED SERVICES, LLC	792K	CLOVERDALE	OR
2009-10-12	971-722	0–9 XXXwhole prefix which blocks →	LEVEL 3 TELECOM OF OREGON, LLC - OR	7537	PORTLAND	OR
2009-02-19	971-209	0–9 XXXall 10 · 7 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC	6010	SALEM	OR
2008-09-05	971-208	0–9 XXXall 10 · 4 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC	6010	SALEM	OR
2008-08-05	971-245	0–9 XXXall 10 · 5 holders which blocks →	PAETEC ITEL, LLC	829J	BEAVERTON	OR
2008-05-27	971-270	0–9 XXXall 10 · 6 holders which blocks →	BANDWIDTH.COM CLEC, LLC - OR	076F	PORTLAND	OR
2007-03-13	971-307	0–9 XXXall 10 · 5 holders which blocks →	ONVOY, LLC - OR	750E	FALLS CITY	OR
2007-02-20	971-340	0–9 XXXall 10 · 3 holders which blocks →	T-MOBILE USA, INC.	6529	PORTLAND	OR
2006-01-18	971-255	0–9 XXXall 10 · 5 holders which blocks →	METROPCS, INC.	5562	PORTLAND	OR
2006-01-18	971-678	0–9 XXXall 10 · 2 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR	5820	PORTLAND	OR
2005-12-30	971-344	0–9 XXXall 10 · 2 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC	6010	PORTLAND	OR
2005-05-04	971-321	0–9 XXXwhole prefix which blocks →	QWEST CORPORATION	9638	PORTLAND	OR
2005-03-10	971-533	0–9 XXXall 10 · 3 holders which blocks →	T-MOBILE USA, INC.	6529	PORTLAND	OR
2005-02-14	971-322	0–9 XXXall 10 · 4 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR	5820	PORTLAND	OR
2005-02-02	971-285	0–9 XXXall 10 · 3 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - OR	3234	PORTLAND	OR
2004-10-28	971-232	0–9 XXXall 10 · 3 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - OR	3234	NORTH PL	OR
2004-10-18	971-227	0–9 XXXall 10 · 2 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR	5820	PORTLAND	OR
2004-04-26	971-275	0–9 XXXall 10 · 4 holders which blocks →	T-MOBILE USA, INC.	6529	PORTLAND	OR
2003-07-10	971-673	0–9 XXXwhole prefix which blocks →	QWEST CORPORATION	9638	PORTLAND	OR
2003-01-21	971-259	0–9 XXXall 10 · 5 holders which blocks →	T-MOBILE USA, INC.	6529	AMITY	OR
2002-11-20	971-221	0–9 XXXall 10 · 2 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR	5820	PORTLAND	OR
2002-08-21	971-235	0–9 XXXwhole prefix which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR	5820	PORTLAND	OR
2002-07-23	971-246	4XXX5XXX7XXX8XXX · 3 holders which blocks →	METROPCS, INC.	5562	BEAVERTON	OR
2002-07-23	971-253	0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 3 holders which blocks →	METROPCS, INC.	5562	STFRD-SNDY	OR
2002-06-05	971-237	0–9 XXXall 10 · 3 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC	6010	MCMINNVL	OR
2002-05-23	971-252	0–9 XXXall 10 · 4 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - OR	3234	STFRD-SNDY	OR
2002-05-20	971-248	0–9 XXXall 10 · 4 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - OR	3234	VERNONIA	OR
2002-05-03	971-239	0–9 XXXall 10 · 2 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - OR	3234	SALEM	OR
2002-05-02	971-241	4XXX5XXX6XXX8XXX · 2 holders which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR	5820	MCMINNVL	OR
2002-02-13	971-240	4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC	6010	SALEM	OR
2001-12-28	971-219	not yet reported which blocks →	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR	5820	PORTLAND	OR
2001-11-07	971-238	1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks →	LEVEL 3 COMMUNICATIONS, LLC - OR	3234	BEAVERTON	OR
2001-10-16	971-217	1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks →	METROPCS, INC.	5562	BEAVERTON	OR
2001-10-16	971-236	0–9 XXXall 10 · 3 holders which blocks →	ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM	7172	CLACKAMAS	OR
2001-10-12	971-230	4XXX8XXX which blocks →	PAETEC ITEL, LLC	829J	PORTLAND	OR
2001-10-12	971-233	2XXX3XXX4XXX5XXX6XXX8XXX · 2 holders which blocks →	PAETEC ITEL, LLC	829J	CLACKAMAS	OR
2001-10-05	971-338	1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 7 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC	6010	WOODBURN	OR
2001-09-26	971-732	0–9 XXXall 10 · 3 holders which blocks →	METROPCS, INC.	5562	BEAVERTON	OR
2001-08-22	971-545	1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks →	ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM	7172	DAYTON	OR
2001-08-17	971-832	2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks →	NEW CINGULAR WIRELESS PCS, LLC	6010	NEWBERG	OR
2001-06-13	971-224	0XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks →	ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM	7172	STFRD-SNDY	OR
2001-06-13	971-983	6XXX7XXX8XXX9XXX · 3 holders which blocks →	DATAVISION COMMUNICATIONS LLC	5511	WOODBURN	OR
2001-05-17	971-388	not yet reported which blocks →	NEW CINGULAR WIRELESS PCS, LLC	6010	SALEM	OR
2001-03-21	971-215	not yet reported which blocks →	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	BEAVERTON	OR
2001-03-16	971-214	not yet reported which blocks →	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	7229	BEAVERTON	OR
2001-02-27	971-213	1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 3 holders which blocks →	ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM	7172	SHERWOOD	OR

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.