NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

2 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 304
T-MOBILE USA, INC. 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 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
2010-01-08 304-834-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 6394 PRKRSBGZN1 WV
2010-01-05 304-433-9XXX 9000–9999Assigned OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 MARTINSBG WV
2010-01-05 304-992-3XXX 3000–3999Assigned METROPCS, INC. 5562 LEWISBURG WV
2009-12-28 304-995-1XXX 1000–1999Assigned METROPCS, INC. 5562 FALLNGWTRS WV
2009-12-28 304-995-4XXX 4000–4999Assigned METROPCS, INC. 5562 FALLNGWTRS WV
2009-12-21 304-559-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 6394 WHELNGZON1 WV
2009-12-16 304-860-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 6394 BECKLEY WV
2009-12-16 304-860-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 6394 BECKLEY WV
2009-12-10 304-364-7XXX 7000–7999Assigned SHENTEL COMMUNICATIONS, LLC. - WV 489F GASSAWAY WV
2009-12-10 304-402-2XXX 2000–2999Assigned SHENTEL COMMUNICATIONS, LLC. - WV 489F SUTTON WV
2009-12-10 304-658-6XXX 6000–6999Assigned SHENTEL COMMUNICATIONS, LLC. - WV 489F ANSTED WV
2009-12-10 304-713-3XXX 3000–3999Assigned SHENTEL COMMUNICATIONS, LLC. - WV 489F BURNSVILLE WV
2009-12-10 304-742-1XXX 1000–1999Assigned SHENTEL COMMUNICATIONS, LLC. - WV 489F CRAIGSVL WV
2009-12-10 304-804-2XXX 2000–2999Assigned SHENTEL COMMUNICATIONS, LLC. - WV 489F GLENVILLE WV
2009-12-10 304-805-2XXX 2000–2999Assigned SHENTEL COMMUNICATIONS, LLC. - WV 489F JANE LEW WV
2009-12-10 304-846-0XXX 0000–0999Assigned SHENTEL COMMUNICATIONS, LLC. - WV 489F RICHWOOD WV
2009-12-04 304-580-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 6394 PRKRSBGZN1 WV
2009-12-04 304-896-8XXX 8000–8999Assigned CSC VOICE, LLC 612K LOGAN WV
2009-11-24 304-834-5XXX 5000–5999Assigned T-MOBILE USA, INC. 6529 PRKRSBGZN1 WV
2009-11-20 304-754-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 HEDGESVL WV
2009-11-20 304-821-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 INWOOD WV
2009-11-20 304-916-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 PRKRSBGZN1 WV
2009-11-12 304-531-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 RIPLEY WV
2009-11-12 304-888-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BLUEFIELD WV
2009-11-12 304-888-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BLUEFIELD WV
2009-11-12 304-994-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 PETERSTOWN WV
2009-11-11 304-777-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - IL 6534 CHEAT LAKE WV
2009-11-05 304-559-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 6394 WHELNGZON1 WV
2009-11-02 304-841-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 6394 CLARKSBURG WV
2009-10-29 304-207-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BECKLEY WV
2009-10-29 304-207-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 BECKLEY WV
2009-10-29 304-520-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 LEWISBURG WV
2009-10-29 304-703-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MOOREFIELD WV
2009-10-29 304-719-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MOUNT HOPE WV
2009-10-29 304-719-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 MOUNT HOPE WV
2009-10-22 304-406-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WESTON WV
2009-10-19 304-997-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 6394 WESTON WV
2009-10-06 304-790-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 KEYSER WV
2009-10-01 304-860-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 6394 BECKLEY WV
2009-09-25 304-300-5XXX 5000–5999Assigned YMAX COMMUNICATIONS CORP. - WV 368E CLARKSBURG WV
2009-09-25 304-300-6XXX 6000–6999Assigned YMAX COMMUNICATIONS CORP. - WV 368E CLARKSBURG WV
2009-09-25 304-300-7XXX 7000–7999Assigned YMAX COMMUNICATIONS CORP. - WV 368E CLARKSBURG WV
2009-09-25 304-300-8XXX 8000–8999Assigned YMAX COMMUNICATIONS CORP. - WV 368E CLARKSBURG WV
2009-09-14 304-861-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 PRKRSBGZN3 WV
2009-09-09 304-500-9XXX 9000–9999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 BERKELYSPG WV
2009-09-08 304-308-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WV 6394 BLUEFIELD WV
2009-09-01 304-236-6XXX 6000–6999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 WILLIAMSON WV
2009-09-01 304-307-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 MADISON WV
2009-09-01 304-393-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 KERMIT WV
2009-09-01 304-397-7XXX 7000–7999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 HURRICANE WV

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.