NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

1 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 515
BANDWIDTH.COM CLEC, LLC - IA 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
2026-09-02 515-403-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E AMES IA
2026-08-17 515-488-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E DES MOINES IA
2026-08-17 515-488-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E DES MOINES IA
2026-08-06 515-347-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E ADEL IA
2026-07-09 515-488-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E DES MOINES IA
2026-06-12 515-403-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E AMES IA
2026-06-12 515-410-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E DES MOINES IA
2025-02-17 515-347-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E ADEL IA
2024-07-11 515-561-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E DES MOINES IA
2024-07-11 515-561-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E DES MOINES IA
2024-07-11 515-644-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E DES MOINES IA
2024-07-11 515-682-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E DES MOINES IA
2024-07-11 515-682-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E DES MOINES IA
2022-08-04 515-912-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E INDIANOLA IA
2022-08-03 515-303-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E INDIANOLA IA
2022-08-03 515-552-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E INDIANOLA IA
2022-08-03 515-690-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E INDIANOLA IA
2022-08-03 515-915-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E GRANGER IA
2022-08-03 515-915-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E GRANGER IA
2022-08-03 515-915-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E GRANGER IA
2022-08-03 515-915-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E GRANGER IA
2022-06-20 515-552-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E INDIANOLA IA
2022-03-25 515-784-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E DAWSON IA
2022-02-22 515-915-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E GRANGER IA
2022-02-18 515-762-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E RUNNELLS IA
2022-02-18 515-784-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E DAWSON IA
2022-02-18 515-969-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E DALLAS CTR IA
2022-01-26 515-531-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E GRANGER IA
2022-01-14 515-377-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E EARLHAM IA
2022-01-14 515-716-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E PRAIRIE CY IA
2022-01-14 515-784-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E DAWSON IA
2022-01-14 515-969-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E DALLAS CTR IA
2022-01-13 515-762-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E RUNNELLS IA
2022-01-13 515-842-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E VAN METER IA
2021-12-15 515-384-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E WINTERSET IA
2021-11-22 515-384-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E WINTERSET IA
2021-01-12 515-534-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E STUART IA
2020-12-31 515-534-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E STUART IA
2020-10-22 515-349-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E DALLAS CTR IA
2020-08-19 515-690-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E INDIANOLA IA
2020-04-10 515-316-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E GILMORE CY IA
2019-05-14 515-516-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E BLAIRSBURG IA
2019-04-30 515-489-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E JEWELL IA
2018-10-01 515-500-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E BOONE IA
2018-07-27 515-497-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E PRAIRIE CY IA
2018-07-27 515-750-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E DAWSON IA
2018-07-02 515-531-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E GRANGER IA
2018-05-10 515-310-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E JEWELL IA
2018-05-08 515-531-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E GRANGER IA
2018-04-10 515-949-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - IA 985E EAGLEGROVE IA

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.