NumberResearch Membership · Data 09/19/2026

Recent thousands-block assignments

0 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, all time — NPA 843
BANDWIDTH.COM CLEC, LLC - SC 309
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
2026-08-14 843-612-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F ST HELENA SC
2025-05-22 843-733-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F CONWAY SC
2022-11-08 843-585-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F HEMINGWAY SC
2022-11-07 843-983-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F ANDREWS SC
2022-10-07 843-438-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F CONWAY SC
2022-09-02 843-974-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F CHARLESTON SC
2022-09-02 843-974-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F CHARLESTON SC
2022-08-24 843-604-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F BLENHEIM SC
2022-08-24 843-897-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F BENNETTSVL SC
2022-08-19 843-438-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F CONWAY SC
2022-03-29 843-380-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F JOHNSONVL SC
2022-02-22 843-380-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F JOHNSONVL SC
2022-02-04 843-932-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F GEORGETOWN SC
2022-02-01 843-702-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F FLORENCE SC
2022-02-01 843-702-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F FLORENCE SC
2022-02-01 843-713-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F FLORENCE SC
2022-01-28 843-380-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F JOHNSONVL SC
2022-01-28 843-960-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F MCCOLL SC
2022-01-26 843-969-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F SULLIVNSIS SC
2021-11-15 843-564-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F HOLLYWOOD SC
2021-10-26 843-942-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F FLORENCE SC
2021-06-15 843-954-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F FLORENCE SC
2021-05-18 843-977-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F NICHOLS SC
2021-05-01 843-845-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F DILLON SC
2021-04-28 843-874-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F MARION SC
2021-04-27 843-942-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F FLORENCE SC
2021-01-28 843-960-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F MCCOLL SC
2020-12-14 843-897-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F BENNETTSVL SC
2020-05-07 843-491-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F NMYRTLEBCH SC
2020-03-31 843-983-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F ANDREWS SC
2020-03-11 843-625-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F JOHNSONVL SC
2020-01-30 843-548-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F LOWCOUNTRY SC
2020-01-10 843-966-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F SOCIETY HL SC
2019-12-17 843-823-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F CHARLESTON SC
2019-12-17 843-867-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F CHARLESTON SC
2019-12-17 843-867-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F CHARLESTON SC
2019-12-17 843-867-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F CHARLESTON SC
2019-09-10 843-305-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F RIDGELAND SC
2019-05-09 843-605-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F BEAUFORT SC
2019-05-09 843-699-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F LAKE CITY SC
2019-05-01 843-738-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F CLIO SC
2019-04-26 843-350-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F BLENHEIM SC
2019-04-26 843-948-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F LATTA SC
2019-03-27 843-548-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F LOWCOUNTRY SC
2019-03-22 843-897-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F BENNETTSVL SC
2019-02-25 843-823-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F CHARLESTON SC
2019-02-25 843-823-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F CHARLESTON SC
2019-02-25 843-823-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F CHARLESTON SC
2019-02-06 843-481-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F KINGSTREE SC
2019-02-06 843-481-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F KINGSTREE SC

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.