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 251
TELNYX LLC 39
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
2024-03-19 251-481-6XXX 6000–6999Assigned TELNYX LLC 073H MOBILE AL
2023-03-31 251-771-0XXX 0000–0999Assigned TELNYX LLC 073H MELVIN AL
2023-02-22 251-286-3XXX 3000–3999Assigned TELNYX LLC 073H BREWTON AL
2022-05-25 251-297-1XXX 1000–1999Assigned TELNYX LLC 073H FLOMATON AL
2021-12-23 251-365-1XXX 1000–1999Assigned TELNYX LLC 073H CITRONELLE AL
2021-11-18 251-280-8XXX 8000–8999Assigned TELNYX LLC 073H FLOMATON AL
2021-03-05 251-353-0XXX 0000–0999Assigned TELNYX LLC 073H PETERMAN AL
2020-09-08 251-336-2XXX 2000–2999Assigned TELNYX LLC 073H MONROEVL AL
2020-04-09 251-862-8XXX 8000–8999Assigned TELNYX LLC 073H URIAH AL
2020-04-08 251-244-5XXX 5000–5999Assigned TELNYX LLC 073H PETERMAN AL
2020-04-08 251-299-5XXX 5000–5999Assigned TELNYX LLC 073H MT VERNON AL
2020-04-08 251-306-4XXX 4000–4999Assigned TELNYX LLC 073H IRNGTNSTEL AL
2020-04-08 251-312-0XXX 0000–0999Assigned TELNYX LLC 073H REPTON AL
2020-04-08 251-320-7XXX 7000–7999Assigned TELNYX LLC 073H JACKSON AL
2020-04-08 251-357-2XXX 2000–2999Assigned TELNYX LLC 073H HUXFORD AL
2020-04-08 251-418-9XXX 9000–9999Assigned TELNYX LLC 073H MCINTOSH AL
2020-04-08 251-551-8XXX 8000–8999Assigned TELNYX LLC 073H PINE APPLE AL
2020-04-08 251-577-0XXX 0000–0999Assigned TELNYX LLC 073H MCCULLOUGH AL
2020-04-07 251-249-9XXX 9000–9999Assigned TELNYX LLC 073H CITRONELLE AL
2020-04-07 251-254-9XXX 9000–9999Assigned TELNYX LLC 073H FLOMATON AL
2020-04-07 251-313-8XXX 8000–8999Assigned TELNYX LLC 073H DAUPHIN IS AL
2020-04-07 251-315-0XXX 0000–0999Assigned TELNYX LLC 073H EVERGREEN AL
2020-04-07 251-356-0XXX 0000–0999Assigned TELNYX LLC 073H FINCHBURG AL
2020-04-07 251-451-8XXX 8000–8999Assigned TELNYX LLC 073H GOSPORT AL
2020-04-07 251-512-0XXX 0000–0999Assigned TELNYX LLC 073H COFFEEVL AL
2020-04-07 251-572-8XXX 8000–8999Assigned TELNYX LLC 073H FRISCOCITY AL
2020-04-07 251-850-0XXX 0000–0999Assigned TELNYX LLC 073H FAIRHOPE AL
2020-04-07 251-865-8XXX 8000–8999Assigned TELNYX LLC 073H GRAND BAY AL
2020-04-07 251-873-3XXX 3000–3999Assigned TELNYX LLC 073H FOWL RIVER AL
2020-04-07 251-900-8XXX 8000–8999Assigned TELNYX LLC 073H EXCEL AL
2020-04-03 251-286-9XXX 9000–9999Assigned TELNYX LLC 073H BREWTON AL
2020-04-03 251-293-8XXX 8000–8999Assigned TELNYX LLC 073H BELLEFONTN AL
2020-04-03 251-309-8XXX 8000–8999Assigned TELNYX LLC 073H BAYOUBATRE AL
2020-04-03 251-322-0XXX 0000–0999Assigned TELNYX LLC 073H ATMORE AL
2020-04-03 251-351-8XXX 8000–8999Assigned TELNYX LLC 073H BEATRICE AL
2020-04-03 251-651-9XXX 9000–9999Assigned TELNYX LLC 073H BAYMINETTE AL
2019-11-20 251-318-1XXX 1000–1999Assigned TELNYX LLC 073H MOBILE AL
2019-06-10 251-292-2XXX 2000–2999Assigned TELNYX LLC 073H MELVIN AL
2018-09-13 251-260-9XXX 9000–9999Assigned TELNYX LLC 073H MELVIN AL

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.