NumberResearch Membership · Data 09/20/2026

Recent thousands-block assignments

0 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, all time — NPA 346
FRACTEL, LLC 45
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
2022-02-01 346-822-2XXX 2000–2999Assigned FRACTEL, LLC 965H HSTNSUBURB TX
2022-02-01 346-833-3XXX 3000–3999Assigned FRACTEL, LLC 965H HOUSTON TX
2021-08-12 346-622-2XXX 2000–2999Assigned FRACTEL, LLC 965H BAMMEL TX
2021-08-11 346-755-5XXX 5000–5999Assigned FRACTEL, LLC 965H SUGAR LAND TX
2021-07-30 346-855-5XXX 5000–5999Assigned FRACTEL, LLC 965H BAYTOWN TX
2021-07-26 346-744-4XXX 4000–4999Assigned FRACTEL, LLC 965H HSTNSUBURB TX
2021-07-16 346-922-2XXX 2000–2999Assigned FRACTEL, LLC 965H BROOKSHIRE TX
2021-07-16 346-933-3XXX 3000–3999Assigned FRACTEL, LLC 965H RICHMNRNBG TX
2021-05-10 346-499-9XXX 9000–9999Assigned FRACTEL, LLC 965H DEER PARK TX
2021-05-10 346-566-6XXX 6000–6999Assigned FRACTEL, LLC 965H WESTFIELD TX
2021-05-10 346-588-8XXX 8000–8999Assigned FRACTEL, LLC 965H CYPRESS TX
2021-05-10 346-599-9XXX 9000–9999Assigned FRACTEL, LLC 965H HOUSTON TX
2021-05-10 346-688-8XXX 8000–8999Assigned FRACTEL, LLC 965H MANVEL TX
2021-05-10 346-699-9XXX 9000–9999Assigned FRACTEL, LLC 965H HSTNSUBURB TX
2021-05-10 346-866-6XXX 6000–6999Assigned FRACTEL, LLC 965H VLY LODGE TX
2021-05-10 346-966-6XXX 6000–6999Assigned FRACTEL, LLC 965H PORTER TX
2021-01-13 346-789-9XXX 9000–9999Assigned FRACTEL, LLC 965H CHANNELVW TX
2020-11-27 346-799-9XXX 9000–9999Assigned FRACTEL, LLC 965H CLEVELAND TX
2020-11-25 346-788-8XXX 8000–8999Assigned FRACTEL, LLC 965H LEAGUECITY TX
2020-11-17 346-455-5XXX 5000–5999Assigned FRACTEL, LLC 965H HOUSTON TX
2020-08-19 346-433-3XXX 3000–3999Assigned FRACTEL, LLC 965H HSTNSUBURB TX
2020-08-19 346-899-9XXX 9000–9999Assigned FRACTEL, LLC 965H STAFFORD TX
2020-07-09 346-432-8XXX 8000–8999Assigned FRACTEL, LLC 965H HSTNSUBURB TX
2020-07-09 346-477-7XXX 7000–7999Assigned FRACTEL, LLC 965H HUMBLE TX
2020-07-09 346-488-8XXX 8000–8999Assigned FRACTEL, LLC 965H PORTER HTS TX
2020-07-09 346-577-7XXX 7000–7999Assigned FRACTEL, LLC 965H HOUSTON TX
2020-07-09 346-955-5XXX 5000–5999Assigned FRACTEL, LLC 965H DICKINSON TX
2020-07-02 346-946-3XXX 3000–3999Assigned FRACTEL, LLC 965H CYPRESS TX
2020-06-23 346-999-3XXX 3000–3999Assigned FRACTEL, LLC 965H HUFFMAN TX
2020-06-23 346-999-4XXX 4000–4999Assigned FRACTEL, LLC 965H HUFFMAN TX
2020-06-23 346-999-5XXX 5000–5999Assigned FRACTEL, LLC 965H HUFFMAN TX
2020-06-22 346-677-7XXX 7000–7999Assigned FRACTEL, LLC 965H BAYTOWN TX
2020-06-22 346-786-7XXX 7000–7999Assigned FRACTEL, LLC 965H SPRING TX
2020-06-18 346-667-8XXX 8000–8999Assigned FRACTEL, LLC 965H KATY TX
2019-09-23 346-977-7XXX 7000–7999Assigned FRACTEL, LLC 965H BAYTOWN TX
2019-05-21 346-465-7XXX 7000–7999Assigned FRACTEL, LLC 965H LANGHAMCRK TX
2019-05-21 346-529-3XXX 3000–3999Assigned FRACTEL, LLC 965H HSTNSUBURB TX
2019-05-21 346-529-9XXX 9000–9999Assigned FRACTEL, LLC 965H HSTNSUBURB TX
2019-05-21 346-732-5XXX 5000–5999Assigned FRACTEL, LLC 965H CYPRESS TX
2019-05-21 346-758-6XXX 6000–6999Assigned FRACTEL, LLC 965H RICHMNRNBG TX
2019-05-21 346-766-3XXX 3000–3999Assigned FRACTEL, LLC 965H HOUSTON TX
2019-05-21 346-766-6XXX 6000–6999Assigned FRACTEL, LLC 965H HOUSTON TX
2019-05-21 346-842-5XXX 5000–5999Assigned FRACTEL, LLC 965H HUMBLE TX
2019-05-21 346-877-7XXX 7000–7999Assigned FRACTEL, LLC 965H DEER PARK TX
2019-05-21 346-988-8XXX 8000–8999Assigned FRACTEL, LLC 965H CLEVELAND TX

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.