NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

18 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 727
ONVOY, LLC - FL 5
BANDWIDTH.COM CLEC, LLC - FL 5
TELIMIZE, LLC 3
VERSATEL LLC 2
HD CARRIER LLC 2
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
2005-06-28 727-326-3XXX 3000–3999Assigned METROPCS, INC. 5562 NWPTRICHEY FL
2005-06-28 727-485-4XXX 4000–4999Assigned METROPCS, INC. 5562 TARPON SPG FL
2005-06-28 727-520-2XXX 2000–2999Assigned METROPCS, INC. 5562 STPETERSBG FL
2005-06-28 727-520-3XXX 3000–3999Assigned METROPCS, INC. 5562 STPETERSBG FL
2005-06-28 727-520-4XXX 4000–4999Assigned METROPCS, INC. 5562 STPETERSBG FL
2005-06-28 727-520-5XXX 5000–5999Assigned METROPCS, INC. 5562 STPETERSBG FL
2005-06-28 727-520-6XXX 6000–6999Assigned METROPCS, INC. 5562 STPETERSBG FL
2005-06-28 727-564-0XXX 0000–0999Assigned METROPCS, INC. 5562 STPETERSBG FL
2005-06-28 727-564-1XXX 1000–1999Assigned METROPCS, INC. 5562 STPETERSBG FL
2005-06-28 727-564-2XXX 2000–2999Assigned METROPCS, INC. 5562 STPETERSBG FL
2005-06-24 727-254-0XXX 0000–0999Assigned AERIAL COMMUNICATIONS, INC. 6701 CLEARWATER FL
2005-06-24 727-254-9XXX 9000–9999Assigned AERIAL COMMUNICATIONS, INC. 6701 CLEARWATER FL
2005-06-23 727-233-3XXX 3000–3999Assigned MCI WORLDCOM COMMUNICATIONS, INC. - FL 7448 HUDSON FL
2005-06-23 727-234-1XXX 1000–1999Assigned MCI WORLDCOM COMMUNICATIONS, INC. - FL 7448 TARPON SPG FL
2005-06-23 727-234-2XXX 2000–2999Assigned MCI WORLDCOM COMMUNICATIONS, INC. - FL 7448 TARPON SPG FL
2005-06-23 727-245-6XXX 6000–6999Assigned MCI WORLDCOM COMMUNICATIONS, INC. - FL 7448 HUDSON FL
2005-06-23 727-245-7XXX 7000–7999Assigned MCI WORLDCOM COMMUNICATIONS, INC. - FL 7448 HUDSON FL
2005-06-23 727-245-8XXX 8000–8999Assigned MCI WORLDCOM COMMUNICATIONS, INC. - FL 7448 HUDSON FL
2005-06-23 727-279-2XXX 2000–2999Assigned MCI WORLDCOM COMMUNICATIONS, INC. - FL 7448 TARPON SPG FL
2005-06-23 727-279-3XXX 3000–3999Assigned MCI WORLDCOM COMMUNICATIONS, INC. - FL 7448 TARPON SPG FL
2005-06-23 727-279-4XXX 4000–4999Assigned MCI WORLDCOM COMMUNICATIONS, INC. - FL 7448 TARPON SPG FL
2005-06-23 727-491-1XXX 1000–1999Assigned MCI WORLDCOM COMMUNICATIONS, INC. - FL 7448 TARPON SPG FL
2005-06-23 727-491-3XXX 3000–3999Assigned MCI WORLDCOM COMMUNICATIONS, INC. - FL 7448 TARPON SPG FL
2005-06-23 727-523-6XXX 6000–6999Assigned MCI WORLDCOM COMMUNICATIONS, INC. - FL 7448 CLEARWATER FL
2005-06-23 727-683-9XXX 9000–9999Assigned MCI WORLDCOM COMMUNICATIONS, INC. - FL 7448 CLEARWATER FL
2005-06-21 727-519-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 6502 CLEARWATER FL
2005-06-21 727-539-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 6502 CLEARWATER FL
2005-06-15 727-831-2XXX 2000–2999Assigned METROPCS, INC. 5562 CLEARWATER FL
2005-06-15 727-831-3XXX 3000–3999Assigned METROPCS, INC. 5562 CLEARWATER FL
2005-06-15 727-831-4XXX 4000–4999Assigned METROPCS, INC. 5562 CLEARWATER FL
2005-06-15 727-831-5XXX 5000–5999Assigned METROPCS, INC. 5562 CLEARWATER FL
2005-06-15 727-831-6XXX 6000–6999Assigned METROPCS, INC. 5562 CLEARWATER FL
2005-06-15 727-831-7XXX 7000–7999Assigned METROPCS, INC. 5562 CLEARWATER FL
2005-06-15 727-831-8XXX 8000–8999Assigned METROPCS, INC. 5562 CLEARWATER FL
2005-06-15 727-831-9XXX 9000–9999Assigned METROPCS, INC. 5562 CLEARWATER FL
2005-06-13 727-216-3XXX 3000–3999Assigned WOW! INTERNET, CABLE AND PHONE 961J CLEARWATER FL
2005-05-27 727-860-5XXX 5000–5999Assigned MCI WORLDCOM COMMUNICATIONS, INC. - FL 7448 HUDSON FL
2005-05-25 727-729-0XXX 0000–0999Assigned AERIAL COMMUNICATIONS, INC. 6701 CLEARWATER FL
2005-05-25 727-729-9XXX 9000–9999Assigned AERIAL COMMUNICATIONS, INC. 6701 CLEARWATER FL
2005-05-19 727-226-2XXX 2000–2999Assigned METROPCS, INC. 5562 HUDSON FL
2005-05-19 727-320-4XXX 4000–4999Assigned METROPCS, INC. 5562 STPETERSBG FL
2005-05-19 727-326-2XXX 2000–2999Assigned METROPCS, INC. 5562 NWPTRICHEY FL
2005-05-19 727-485-3XXX 3000–3999Assigned METROPCS, INC. 5562 TARPON SPG FL
2005-05-19 727-953-5XXX 5000–5999Assigned METROPCS, INC. 5562 CLEARWATER FL
2005-05-10 727-247-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 6502 NWPTRICHEY FL
2005-05-09 727-456-6XXX 6000–6999Assigned PAETEC ITEL, LLC 829J STPETERSBG FL
2005-05-05 727-453-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLEARWATER FL
2005-05-05 727-453-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLEARWATER FL
2005-05-05 727-453-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLEARWATER FL
2005-05-05 727-465-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CLEARWATER 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.