NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

1 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 561
BANDWIDTH.COM CLEC, LLC - FL 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
Clear Download CSV ↓
Recent thousands-block assignments
AssignedThousands-blockLast 4 digitsStatusAssigneeOCNRate centerState
2005-02-15 561-572-5XXX 5000–5999Assigned METROPCS, INC. 5562 BOYNTONBCH FL
2005-02-15 561-572-6XXX 6000–6999Assigned METROPCS, INC. 5562 BOYNTONBCH FL
2005-02-15 561-572-7XXX 7000–7999Assigned METROPCS, INC. 5562 BOYNTONBCH FL
2005-02-15 561-572-8XXX 8000–8999Assigned METROPCS, INC. 5562 BOYNTONBCH FL
2005-02-10 561-459-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 6502 WPALMBEACH FL
2005-02-02 561-273-3XXX 3000–3999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 WPALMBEACH FL
2005-01-27 561-277-5XXX 5000–5999Assigned METROPCS, INC. 5562 JUPITER FL
2005-01-26 561-693-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 6502 WPALMBEACH FL
2005-01-26 561-909-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 6502 WPALMBEACH FL
2005-01-25 561-910-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 BOCA RATON FL
2005-01-25 561-948-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 BOCA RATON FL
2005-01-24 561-572-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 BOYNTONBCH FL
2005-01-24 561-819-9XXX 9000–9999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 DELRAY BCH FL
2005-01-21 561-876-0XXX 0000–0999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 WPALMBEACH FL
2005-01-21 561-889-0XXX 0000–0999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 WPALMBEACH FL
2005-01-21 561-951-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 6502 WPALMBEACH FL
2005-01-12 561-909-8XXX 8000–8999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 WPALMBEACH FL
2005-01-12 561-909-9XXX 9000–9999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 WPALMBEACH FL
2005-01-05 561-674-1XXX 1000–1999Assigned METROPCS, INC. 5562 BOCA RATON FL
2005-01-05 561-674-2XXX 2000–2999Assigned METROPCS, INC. 5562 BOCA RATON FL
2005-01-05 561-674-3XXX 3000–3999Assigned METROPCS, INC. 5562 BOCA RATON FL
2005-01-05 561-674-4XXX 4000–4999Assigned METROPCS, INC. 5562 BOCA RATON FL
2005-01-05 561-674-5XXX 5000–5999Assigned METROPCS, INC. 5562 BOCA RATON FL
2005-01-05 561-674-6XXX 6000–6999Assigned METROPCS, INC. 5562 BOCA RATON FL
2005-01-05 561-674-7XXX 7000–7999Assigned METROPCS, INC. 5562 BOCA RATON FL
2005-01-05 561-674-8XXX 8000–8999Assigned METROPCS, INC. 5562 BOCA RATON FL
2005-01-04 561-516-4XXX 4000–4999Assigned METROPCS, INC. 5562 BELLEGLADE FL
2004-12-21 561-536-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 BOYNTONBCH FL
2004-12-21 561-536-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 BOYNTONBCH FL
2004-12-14 561-948-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 BOCA RATON FL
2004-12-14 561-948-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 BOCA RATON FL
2004-12-14 561-948-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 BOCA RATON FL
2004-12-14 561-948-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 BOCA RATON FL
2004-12-13 561-207-0XXX 0000–0999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 WPALMBEACH FL
2004-12-13 561-207-1XXX 1000–1999Assigned OMNIPOINT MIAMI E LICENSE, LLC 6889 WPALMBEACH FL
2004-12-13 561-208-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 BOCA RATON FL
2004-12-10 561-208-4XXX 4000–4999Assigned PAETEC ITEL, LLC 829J BOCA RATON FL
2004-12-09 561-202-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 WPALMBEACH FL
2004-12-09 561-209-0XXX 0000–0999Assigned ONVOY, LLC - FL 937C WPALMBEACH FL
2004-12-09 561-209-5XXX 5000–5999Assigned ONVOY, LLC - FL 937C WPALMBEACH FL
2004-12-09 561-228-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 WPALMBEACH FL
2004-12-09 561-693-0XXX 0000–0999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 WPALMBEACH FL
2004-12-09 561-693-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 WPALMBEACH FL
2004-12-08 561-234-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 6502 WPALMBEACH FL
2004-12-08 561-400-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 6502 BOCA RATON FL
2004-12-07 561-427-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 JUPITER FL
2004-12-07 561-427-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 JUPITER FL
2004-12-02 561-404-7XXX 7000–7999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 DELRAY BCH FL
2004-12-02 561-503-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 BOYNTONBCH FL
2004-12-02 561-935-1XXX 1000–1999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 JUPITER FL

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.