NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

28 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026

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 582
NEW CINGULAR WIRELESS PCS, LLC - DC 16
ONVOY, LLC - PA 3
NEW CINGULAR WIRELESS PCS, LLC - IL 2
MCIMETRO ACCESS TRANSMISSION SERVICES LLC 2
BANDWIDTH.COM CLEC, LLC - PA 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
2021-06-17 582-300-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H HOUTZDALE PA
2021-06-17 582-302-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H DAYTON PA
2021-06-17 582-333-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H CHERRYTREE PA
2021-06-17 582-442-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H GLENCMPBLL PA
2021-06-17 582-444-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H HARRISNVLY PA
2021-06-17 582-465-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H HOLLIDYSBG PA
2021-06-17 582-482-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H HAWTHORN PA
2021-06-17 582-583-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H HAZEN PA
2021-06-17 582-600-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H BOSWELL PA
2021-06-17 582-666-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H COUDERSPT PA
2021-06-17 582-777-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H BIG RUN PA
2021-06-17 582-888-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H BOALSBURG PA
2021-06-03 582-682-5XXX 5000–5999Assigned TON80 COMMUNICATIONS, LLC 516J BERLIN PA
2021-05-14 582-202-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - PA 4007 ORBISONIA PA
2021-05-12 582-200-0XXX 0000–0999Assigned FRACTEL, LLC 965H HOOVERSVL PA
2021-05-12 582-300-0XXX 0000–0999Assigned FRACTEL, LLC 965H HOUTZDALE PA
2021-05-12 582-400-0XXX 0000–0999Assigned FRACTEL, LLC 965H JOHNSTOWN PA
2021-05-12 582-465-8XXX 8000–8999Assigned FRACTEL, LLC 965H HOLLIDYSBG PA
2021-05-12 582-500-0XXX 0000–0999Assigned FRACTEL, LLC 965H PATTON PA
2021-05-12 582-500-5XXX 5000–5999Assigned FRACTEL, LLC 965H PATTON PA
2021-05-12 582-529-3XXX 3000–3999Assigned FRACTEL, LLC 965H BARNESBORO PA
2021-05-12 582-529-9XXX 9000–9999Assigned FRACTEL, LLC 965H BARNESBORO PA
2021-05-12 582-600-0XXX 0000–0999Assigned FRACTEL, LLC 965H BOSWELL PA
2021-05-12 582-600-6XXX 6000–6999Assigned FRACTEL, LLC 965H BOSWELL PA
2021-05-12 582-800-0XXX 0000–0999Assigned FRACTEL, LLC 965H SEWARD PA
2021-05-12 582-800-8XXX 8000–8999Assigned FRACTEL, LLC 965H SEWARD PA
2021-05-12 582-900-0XXX 0000–0999Assigned FRACTEL, LLC 965H PORTAGE PA
2021-05-12 582-900-9XXX 9000–9999Assigned FRACTEL, LLC 965H PORTAGE PA
2021-05-11 582-201-8XXX 8000–8999Assigned D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 6846 BEDFORD PA
2021-05-11 582-201-9XXX 9000–9999Assigned D&E/OMNIPOINT WIREL JOINT VENT LP DBA PCS ONE 6846 BEDFORD PA
2021-05-07 582-222-2XXX 2000–2999Assigned FRACTEL, LLC 965H ELDRED PA
2021-05-07 582-333-3XXX 3000–3999Assigned FRACTEL, LLC 965H CHERRYTREE PA
2021-05-07 582-444-4XXX 4000–4999Assigned FRACTEL, LLC 965H HARRISNVLY PA
2021-05-07 582-666-6XXX 6000–6999Assigned FRACTEL, LLC 965H COUDERSPT PA
2021-05-07 582-777-7XXX 7000–7999Assigned FRACTEL, LLC 965H BIG RUN PA
2021-05-07 582-777-8XXX 8000–8999Assigned FRACTEL, LLC 965H BIG RUN PA
2021-05-07 582-888-8XXX 8000–8999Assigned FRACTEL, LLC 965H BOALSBURG PA
2021-05-07 582-999-8XXX 8000–8999Assigned FRACTEL, LLC 965H BERLIN PA
2021-05-07 582-999-9XXX 9000–9999Assigned FRACTEL, LLC 965H BERLIN PA
2021-05-05 582-998-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H BELLWOOD PA

Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.