NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

11 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 904
ONVOY, LLC - FL 6
BANDWIDTH.COM CLEC, LLC - FL 3
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - FL 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
2012-08-07 904-337-5XXX 5000–5999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 JACKSONVL FL
2012-08-07 904-337-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 JACKSONVL FL
2012-07-24 904-802-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA, LLC - FL 8300 JACKSONVL FL
2012-07-23 904-342-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J ST JOHNS FL
2012-07-13 904-323-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E JACKSONVL FL
2012-07-13 904-323-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E JACKSONVL FL
2012-07-13 904-323-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E JACKSONVL FL
2012-07-03 904-528-2XXX 2000–2999Assigned LEVEL 3 TELECOM OF FLORIDA, LP - FL 7635 JACKSONVL FL
2012-06-21 904-397-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J MACCLENNY FL
2012-06-11 904-323-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E JACKSONVL FL
2012-06-04 904-375-8XXX 8000–8999Assigned COMCAST IP PHONE, LLC 318J ORANGEPARK FL
2012-05-31 904-774-0XXX 0000–0999Assigned TERRA NOVA TELECOM, INC. - FL 382G MACCLENNY FL
2012-05-24 904-503-0XXX 0000–0999Assigned COMCAST IP PHONE, LLC 318J JACKSONVL FL
2012-05-24 904-503-4XXX 4000–4999Assigned COMCAST IP PHONE, LLC 318J JACKSONVL FL
2012-05-24 904-503-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J JACKSONVL FL
2012-05-22 904-323-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E JACKSONVL FL
2012-05-22 904-595-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E JACKSOLBCH FL
2012-04-26 904-800-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J JACKSONVL FL
2012-04-26 904-800-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J JACKSONVL FL
2012-04-24 904-330-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E JACKSONVL FL
2012-04-16 904-423-2XXX 2000–2999Assigned PAETEC ITEL, LLC 829J JACKSONVL FL
2012-04-03 904-503-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J JACKSONVL FL
2012-04-03 904-503-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J JACKSONVL FL
2012-04-03 904-503-3XXX 3000–3999Assigned COMCAST IP PHONE, LLC 318J JACKSONVL FL
2012-03-28 904-203-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J MIDDLEBURG FL
2012-03-27 904-999-5XXX 5000–5999Assigned LEVEL 3 TELECOM OF FLORIDA, LP - FL 7635 JACKSONVL FL
2012-03-22 904-729-1XXX 1000–1999Assigned POWERTEL JACKSONVILLE LICENSES, INC. 7472 FERNADNBCH FL
2012-03-22 904-900-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E JACKSONVL FL
2012-03-22 904-999-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - FL 982E JACKSONVL FL
2012-03-19 904-342-5XXX 5000–5999Assigned COMCAST IP PHONE, LLC 318J ST JOHNS FL
2012-03-19 904-999-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 JACKSONVL FL
2012-02-21 904-769-4XXX 4000–4999Assigned METROPCS NETWORKS, LLC 899D STARKE FL
2012-02-16 904-337-2XXX 2000–2999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 JACKSONVL FL
2012-02-16 904-337-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 JACKSONVL FL
2012-02-15 904-802-1XXX 1000–1999Assigned METROPCS, INC. 5562 JACKSONVL FL
2012-02-15 904-802-2XXX 2000–2999Assigned METROPCS, INC. 5562 JACKSONVL FL
2012-02-15 904-802-4XXX 4000–4999Assigned METROPCS, INC. 5562 JACKSONVL FL
2012-02-15 904-802-5XXX 5000–5999Assigned METROPCS, INC. 5562 JACKSONVL FL
2012-02-10 904-323-5XXX 5000–5999Assigned POWERTEL JACKSONVILLE LICENSES, INC. 7472 JACKSONVL FL
2012-02-10 904-323-6XXX 6000–6999Assigned POWERTEL JACKSONVILLE LICENSES, INC. 7472 JACKSONVL FL
2012-02-10 904-323-7XXX 7000–7999Assigned POWERTEL JACKSONVILLE LICENSES, INC. 7472 JACKSONVL FL
2012-02-10 904-323-8XXX 8000–8999Assigned POWERTEL JACKSONVILLE LICENSES, INC. 7472 JACKSONVL FL
2012-02-10 904-323-9XXX 9000–9999Assigned POWERTEL JACKSONVILLE LICENSES, INC. 7472 JACKSONVL FL
2012-02-10 904-337-8XXX 8000–8999Assigned POWERTEL JACKSONVILLE LICENSES, INC. 7472 JACKSONVL FL
2012-02-10 904-863-8XXX 8000–8999Assigned LEVEL 3 COMMUNICATIONS, LLC - FL 4802 GREENCVSPG FL
2012-02-06 904-802-3XXX 3000–3999Assigned METROPCS, INC. 5562 JACKSONVL FL
2012-02-06 904-802-8XXX 8000–8999Assigned METROPCS, INC. 5562 JACKSONVL FL
2012-02-06 904-802-9XXX 9000–9999Assigned METROPCS, INC. 5562 JACKSONVL FL
2012-02-03 904-330-5XXX 5000–5999Assigned POWERTEL JACKSONVILLE LICENSES, INC. 7472 JACKSONVL FL
2012-02-03 904-330-6XXX 6000–6999Assigned POWERTEL JACKSONVILLE LICENSES, INC. 7472 JACKSONVL 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.