NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

10 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 540
ONVOY, LLC - VA 6
BANDWIDTH.COM CLEC, LLC - VA 2
PEERLESS NETWORK OF VIRGINIA, LLC - VA 1
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 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
2021-05-01 540-800-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H CULPEPER VA
2021-05-01 540-821-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H BERRYVILLE VA
2021-05-01 540-823-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H FRONTROYAL VA
2021-05-01 540-844-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H DAHLGREN VA
2021-05-01 540-851-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H STAUNTON VA
2021-05-01 540-893-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H LOUISA VA
2021-05-01 540-913-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H WINCHESTER VA
2021-05-01 540-918-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H SHENANDOAH VA
2021-04-30 540-228-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H NATURALBDG VA
2021-04-30 540-475-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H NARROWS VA
2021-04-30 540-518-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H DUBLIN VA
2021-04-30 540-573-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H PULASKI VA
2021-04-30 540-596-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H NEW CASTLE VA
2021-04-30 540-679-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H HOTSPRINGS VA
2021-04-30 540-716-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H LEXINGTON VA
2021-04-30 540-799-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H RAPHINE VA
2021-04-30 540-802-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H MONTVALE VA
2021-04-30 540-861-0XXX 0000–0999Assigned TELNYX LLC 073H SALEM VA
2021-04-30 540-897-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H PAINT BANK VA
2021-04-30 540-902-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H GREENWOOD VA
2021-04-29 540-558-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H BLACKSBURG VA
2021-04-29 540-617-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H CHRISTISBG VA
2021-04-29 540-816-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H BEDFORD VA
2021-04-29 540-880-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H BROWNSBURG VA
2021-04-29 540-889-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H CRAIGSVL VA
2021-04-29 540-924-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H BUCHANAN VA
2021-04-29 540-927-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H BENT MT VA
2021-04-27 540-796-8XXX 8000–8999Assigned HD CARRIER LLC 321J HARTWOOD VA
2021-04-27 540-796-9XXX 9000–9999Assigned HD CARRIER LLC 321J HARTWOOD VA
2021-04-27 540-806-9XXX 9000–9999Assigned HD CARRIER LLC 321J RADFORD VA
2021-04-26 540-202-9XXX 9000–9999Assigned TELNYX LLC 073H THE PLAINS VA
2021-04-26 540-734-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CHANCELLOR VA
2021-04-26 540-734-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 CHANCELLOR VA
2021-04-26 540-913-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WINCHESTER VA
2021-04-26 540-913-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WINCHESTER VA
2021-04-26 540-913-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - DC 4036 WINCHESTER VA
2021-04-23 540-250-9XXX 9000–9999Assigned HD CARRIER LLC 321J RADFORD VA
2021-04-23 540-803-0XXX 0000–0999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 STAFFORD VA
2021-04-23 540-803-1XXX 1000–1999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 STAFFORD VA
2021-04-23 540-803-2XXX 2000–2999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 STAFFORD VA
2021-04-23 540-803-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 STAFFORD VA
2021-04-23 540-803-4XXX 4000–4999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 STAFFORD VA
2021-04-23 540-803-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 STAFFORD VA
2021-04-23 540-803-6XXX 6000–6999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 STAFFORD VA
2021-04-23 540-803-7XXX 7000–7999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 STAFFORD VA
2021-04-23 540-803-8XXX 8000–8999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 STAFFORD VA
2021-04-23 540-803-9XXX 9000–9999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 STAFFORD VA
2021-04-23 540-930-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H STAFFORD VA
2021-04-22 540-695-2XXX 2000–2999Assigned METROPCS, INC. 5562 FLOYD VA
2021-04-19 540-296-1XXX 1000–1999Assigned TERRA NOVA TELECOM INC. 145J STONE MT VA

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.