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 501
TELNYX LLC 54
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
2026-06-08 501-583-4XXX 4000–4999Assigned TELNYX LLC 073H LITTLEROCK AR
2024-08-01 501-401-9XXX 9000–9999Assigned TELNYX LLC 073H LITTLEROCK AR
2024-06-13 501-498-6XXX 6000–6999Assigned TELNYX LLC 073H LITTLEROCK AR
2024-05-08 501-527-2XXX 2000–2999Assigned TELNYX LLC 073H LITTLEROCK AR
2024-05-08 501-527-3XXX 3000–3999Assigned TELNYX LLC 073H LITTLEROCK AR
2023-09-19 501-461-1XXX 1000–1999Assigned TELNYX LLC 073H BAUXITE AR
2023-08-29 501-439-8XXX 8000–8999Assigned TELNYX LLC 073H ENGLAND AR
2023-03-06 501-488-1XXX 1000–1999Assigned TELNYX LLC 073H BRADFORD AR
2023-02-27 501-667-1XXX 1000–1999Assigned TELNYX LLC 073H KENSETT AR
2023-01-11 501-484-0XXX 0000–0999Assigned TELNYX LLC 073H SPRINGLAKE AR
2022-10-04 501-535-0XXX 0000–0999Assigned TELNYX LLC 073H BALD KNOB AR
2022-05-23 501-456-1XXX 1000–1999Assigned TELNYX LLC 073H JUDSONIA AR
2021-11-01 501-462-0XXX 0000–0999Assigned TELNYX LLC 073H SEARCY AR
2021-11-01 501-497-0XXX 0000–0999Assigned TELNYX LLC 073H CONWAY AR
2021-04-12 501-621-2XXX 2000–2999Assigned TELNYX LLC 073H LITTLEROCK AR
2021-03-08 501-409-0XXX 0000–0999Assigned TELNYX LLC 073H BENTON AR
2021-03-04 501-387-1XXX 1000–1999Assigned TELNYX LLC 073H BEEBE AR
2020-05-15 501-300-1XXX 1000–1999Assigned TELNYX LLC 073H BRADFORD AR
2020-05-15 501-457-4XXX 4000–4999Assigned TELNYX LLC 073H JACKSONVL AR
2020-04-29 501-394-0XXX 0000–0999Assigned TELNYX LLC 073H CABOT AR
2020-04-28 501-284-5XXX 5000–5999Assigned TELNYX LLC 073H JUDSONIA AR
2020-04-28 501-285-6XXX 6000–6999Assigned TELNYX LLC 073H ENGLAND AR
2020-04-28 501-292-6XXX 6000–6999Assigned TELNYX LLC 073H BALD KNOB AR
2020-04-28 501-299-3XXX 3000–3999Assigned TELNYX LLC 073H KENSETT AR
2020-04-28 501-397-0XXX 0000–0999Assigned TELNYX LLC 073H REDFIELD AR
2020-04-28 501-434-5XXX 5000–5999Assigned TELNYX LLC 073H MCRAE AR
2020-04-28 501-506-4XXX 4000–4999Assigned TELNYX LLC 073H GRIFFITHVL AR
2020-04-28 501-509-1XXX 1000–1999Assigned TELNYX LLC 073H COY AR
2020-04-28 501-600-1XXX 1000–1999Assigned TELNYX LLC 073H PLEASANTPL AR
2019-11-08 501-770-0XXX 0000–0999Assigned TELNYX LLC 073H WRIGHTSVL AR
2019-06-21 501-298-8XXX 8000–8999Assigned TELNYX LLC 073H SPRINGLAKE AR
2019-06-21 501-361-0XXX 0000–0999Assigned TELNYX LLC 073H BRYANTCGVL AR
2019-06-21 501-367-3XXX 3000–3999Assigned TELNYX LLC 073H PINNACLE AR
2019-06-21 501-448-9XXX 9000–9999Assigned TELNYX LLC 073H FERNDALE AR
2019-06-21 501-737-2XXX 2000–2999Assigned TELNYX LLC 073H SCOTT AR
2019-06-21 501-833-4XXX 4000–4999Assigned TELNYX LLC 073H SYVNHLSHWD AR
2019-06-21 501-851-9XXX 9000–9999Assigned TELNYX LLC 073H PALARM AR
2018-11-02 501-594-9XXX 9000–9999Assigned TELNYX LLC 073H PARON AR
2018-11-02 501-669-5XXX 5000–5999Assigned TELNYX LLC 073H CLEVELAND AR
2018-11-02 501-893-0XXX 0000–0999Assigned TELNYX LLC 073H CENTER RDG AR
2018-11-02 501-939-8XXX 8000–8999Assigned TELNYX LLC 073H LONSDALE AR
2018-11-02 501-991-9XXX 9000–9999Assigned TELNYX LLC 073H CRYSTALSPG AR
2018-11-01 501-550-7XXX 7000–7999Assigned TELNYX LLC 073H GREERSFRRY AR
2018-10-23 501-232-9XXX 9000–9999Assigned TELNYX LLC 073H BEEBE AR
2018-10-23 501-302-8XXX 8000–8999Assigned TELNYX LLC 073H HEBER SPG AR
2018-10-23 501-510-1XXX 1000–1999Assigned TELNYX LLC 073H LONOKE AR
2018-10-23 501-566-8XXX 8000–8999Assigned TELNYX LLC 073H JONESMILLS AR
2018-10-23 501-601-0XXX 0000–0999Assigned TELNYX LLC 073H MALVERN AR
2018-10-23 501-645-1XXX 1000–1999Assigned TELNYX LLC 073H MORRILTON AR
2018-10-23 501-984-8XXX 8000–8999Assigned TELNYX LLC 073H JESSIEVL AR

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.