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 334
METROPCS, INC. 149
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
2023-12-20 334-870-4XXX 4000–4999Assigned METROPCS, INC. 5562 AUBURN AL
2023-06-01 334-940-7XXX 7000–7999Assigned METROPCS, INC. 5562 AUBURN AL
2021-04-16 334-345-5XXX 5000–5999Assigned METROPCS, INC. 5562 MARION AL
2021-01-29 334-752-5XXX 5000–5999Assigned METROPCS, INC. 5562 AUBURN AL
2021-01-13 334-851-5XXX 5000–5999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2020-12-08 334-739-3XXX 3000–3999Assigned METROPCS, INC. 5562 PHENIXCITY AL
2020-05-12 334-947-5XXX 5000–5999Assigned METROPCS, INC. 5562 PHENIXCITY AL
2020-03-17 334-240-5XXX 5000–5999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2020-03-17 334-273-1XXX 1000–1999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2020-03-17 334-647-3XXX 3000–3999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2020-03-05 334-579-1XXX 1000–1999Assigned METROPCS, INC. 5562 DOTHAN AL
2020-03-05 334-828-9XXX 9000–9999Assigned METROPCS, INC. 5562 DOTHAN AL
2018-06-07 334-591-7XXX 7000–7999Assigned METROPCS, INC. 5562 AUBURN AL
2018-06-04 334-355-7XXX 7000–7999Assigned METROPCS, INC. 5562 EUFAULA AL
2018-03-13 334-241-3XXX 3000–3999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2018-03-13 334-394-1XXX 1000–1999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2018-03-13 334-801-4XXX 4000–4999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2017-08-22 334-728-3XXX 3000–3999Assigned METROPCS, INC. 5562 AUBURN AL
2017-07-05 334-409-4XXX 4000–4999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2017-07-05 334-647-5XXX 5000–5999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2017-07-05 334-647-8XXX 8000–8999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2017-07-05 334-833-5XXX 5000–5999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2017-03-06 334-650-3XXX 3000–3999Assigned METROPCS, INC. 5562 PHENIXCITY AL
2017-03-06 334-947-7XXX 7000–7999Assigned METROPCS, INC. 5562 PHENIXCITY AL
2017-02-06 334-804-0XXX 0000–0999Assigned METROPCS, INC. 5562 ANDALUSIA AL
2017-01-04 334-435-7XXX 7000–7999Assigned METROPCS, INC. 5562 DOTHAN AL
2017-01-04 334-547-5XXX 5000–5999Assigned METROPCS, INC. 5562 DOTHAN AL
2016-12-06 334-777-4XXX 4000–4999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2016-12-06 334-781-8XXX 8000–8999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2016-12-06 334-833-6XXX 6000–6999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2016-05-03 334-530-7XXX 7000–7999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2016-05-03 334-777-3XXX 3000–3999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2016-04-06 334-390-4XXX 4000–4999Assigned METROPCS, INC. 5562 ENTERPRISE AL
2016-04-06 334-400-8XXX 8000–8999Assigned METROPCS, INC. 5562 DALEVILLE AL
2016-04-06 334-401-3XXX 3000–3999Assigned METROPCS, INC. 5562 NOTASULGA AL
2016-04-06 334-403-1XXX 1000–1999Assigned METROPCS, INC. 5562 TROY AL
2016-04-06 334-439-3XXX 3000–3999Assigned METROPCS, INC. 5562 TUSKEGEE AL
2016-04-06 334-487-0XXX 0000–0999Assigned METROPCS, INC. 5562 TUSKEGEE AL
2016-04-06 334-489-8XXX 8000–8999Assigned METROPCS, INC. 5562 ENTERPRISE AL
2016-04-06 334-808-0XXX 0000–0999Assigned METROPCS, INC. 5562 TROY AL
2016-03-16 334-553-7XXX 7000–7999Assigned METROPCS, INC. 5562 SELMA AL
2016-03-16 334-877-7XXX 7000–7999Assigned METROPCS, INC. 5562 SELMA AL
2016-02-22 334-540-8XXX 8000–8999Assigned METROPCS, INC. 5562 PHENIXCITY AL
2016-02-22 334-560-9XXX 9000–9999Assigned METROPCS, INC. 5562 PHENIXCITY AL
2015-12-21 334-647-7XXX 7000–7999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2015-12-21 334-777-7XXX 7000–7999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2015-05-27 334-560-7XXX 7000–7999Assigned METROPCS, INC. 5562 PHENIXCITY AL
2015-01-27 334-544-7XXX 7000–7999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2015-01-27 334-544-8XXX 8000–8999Assigned METROPCS, INC. 5562 MONTGOMERY AL
2015-01-27 334-600-3XXX 3000–3999Assigned METROPCS, INC. 5562 HOLTVILLE AL

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.