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 917
METROPCS, INC. 173
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
2017-05-25 917-332-6XXX 6000–6999Assigned METROPCS, INC. 5562 NWYRCYZN01 NY
2016-01-11 917-260-9XXX 9000–9999Assigned METROPCS, INC. 5562 NWYRCYZN01 NY
2015-12-11 917-342-4XXX 4000–4999Assigned METROPCS, INC. 5562 NWYRCYZN01 NY
2015-12-11 917-342-5XXX 5000–5999Assigned METROPCS, INC. 5562 NWYRCYZN01 NY
2015-12-11 917-454-4XXX 4000–4999Assigned METROPCS, INC. 5562 NWYRCYZN01 NY
2014-01-08 917-201-0XXX 0000–0999Assigned METROPCS, INC. 5562 NWYRCYZN11 NY
2014-01-08 917-201-1XXX 1000–1999Assigned METROPCS, INC. 5562 NWYRCYZN11 NY
2014-01-08 917-201-8XXX 8000–8999Assigned METROPCS, INC. 5562 NWYRCYZN11 NY
2014-01-08 917-201-9XXX 9000–9999Assigned METROPCS, INC. 5562 NWYRCYZN11 NY
2013-07-09 917-231-7XXX 7000–7999Assigned METROPCS, INC. 5562 NWYRCYZN06 NY
2013-07-09 917-530-0XXX 0000–0999Assigned METROPCS, INC. 5562 NWYRCYZN06 NY
2013-07-09 917-530-1XXX 1000–1999Assigned METROPCS, INC. 5562 NWYRCYZN06 NY
2013-07-09 917-530-2XXX 2000–2999Assigned METROPCS, INC. 5562 NWYRCYZN06 NY
2013-06-14 917-530-3XXX 3000–3999Assigned METROPCS, INC. 5562 NWYRCYZN06 NY
2013-06-14 917-530-4XXX 4000–4999Assigned METROPCS, INC. 5562 NWYRCYZN06 NY
2013-04-16 917-708-4XXX 4000–4999Assigned METROPCS, INC. 5562 NWYRCYZN04 NY
2013-03-06 917-473-4XXX 4000–4999Assigned METROPCS, INC. 5562 NWYRCYZN03 NY
2013-03-06 917-962-1XXX 1000–1999Assigned METROPCS, INC. 5562 NWYRCYZN03 NY
2013-01-07 917-808-7XXX 7000–7999Assigned METROPCS, INC. 5562 NWYRCYZN07 NY
2013-01-07 917-808-8XXX 8000–8999Assigned METROPCS, INC. 5562 NWYRCYZN07 NY
2012-11-02 917-946-8XXX 8000–8999Assigned METROPCS, INC. 5562 NWYRCYZN03 NY
2012-05-01 917-795-1XXX 1000–1999Assigned METROPCS, INC. 5562 NWYRCYZN04 NY
2012-05-01 917-795-2XXX 2000–2999Assigned METROPCS, INC. 5562 NWYRCYZN04 NY
2012-05-01 917-795-3XXX 3000–3999Assigned METROPCS, INC. 5562 NWYRCYZN04 NY
2012-05-01 917-795-7XXX 7000–7999Assigned METROPCS, INC. 5562 NWYRCYZN04 NY
2012-04-05 917-982-1XXX 1000–1999Assigned METROPCS, INC. 5562 NWYRCYZN06 NY
2012-03-06 917-808-0XXX 0000–0999Assigned METROPCS, INC. 5562 NWYRCYZN07 NY
2012-03-06 917-808-1XXX 1000–1999Assigned METROPCS, INC. 5562 NWYRCYZN07 NY
2012-03-06 917-808-2XXX 2000–2999Assigned METROPCS, INC. 5562 NWYRCYZN07 NY
2012-03-06 917-808-3XXX 3000–3999Assigned METROPCS, INC. 5562 NWYRCYZN07 NY
2012-03-06 917-963-0XXX 0000–0999Assigned METROPCS, INC. 5562 NWYRCYZN09 NY
2012-03-05 917-942-0XXX 0000–0999Assigned METROPCS, INC. 5562 NWYRCYZN12 NY
2012-03-05 917-943-0XXX 0000–0999Assigned METROPCS, INC. 5562 NWYRCYZN08 NY
2012-03-05 917-943-1XXX 1000–1999Assigned METROPCS, INC. 5562 NWYRCYZN08 NY
2012-03-05 917-943-2XXX 2000–2999Assigned METROPCS, INC. 5562 NWYRCYZN08 NY
2012-03-05 917-943-3XXX 3000–3999Assigned METROPCS, INC. 5562 NWYRCYZN08 NY
2012-03-05 917-943-4XXX 4000–4999Assigned METROPCS, INC. 5562 NWYRCYZN08 NY
2012-02-28 917-564-2XXX 2000–2999Assigned METROPCS, INC. 5562 NWYRCYZN03 NY
2012-02-28 917-564-3XXX 3000–3999Assigned METROPCS, INC. 5562 NWYRCYZN03 NY
2012-02-28 917-564-7XXX 7000–7999Assigned METROPCS, INC. 5562 NWYRCYZN03 NY
2012-02-28 917-736-0XXX 0000–0999Assigned METROPCS, INC. 5562 NWYRCYZN03 NY
2012-02-28 917-736-1XXX 1000–1999Assigned METROPCS, INC. 5562 NWYRCYZN03 NY
2012-02-28 917-870-0XXX 0000–0999Assigned METROPCS, INC. 5562 NWYRCYZN03 NY
2012-02-28 917-870-2XXX 2000–2999Assigned METROPCS, INC. 5562 NWYRCYZN03 NY
2012-02-28 917-870-3XXX 3000–3999Assigned METROPCS, INC. 5562 NWYRCYZN03 NY
2012-02-28 917-870-8XXX 8000–8999Assigned METROPCS, INC. 5562 NWYRCYZN03 NY
2012-02-10 917-564-4XXX 4000–4999Assigned METROPCS, INC. 5562 NWYRCYZN03 NY
2012-02-10 917-564-5XXX 5000–5999Assigned METROPCS, INC. 5562 NWYRCYZN03 NY
2012-02-10 917-564-6XXX 6000–6999Assigned METROPCS, INC. 5562 NWYRCYZN03 NY
2012-02-10 917-688-5XXX 5000–5999Assigned METROPCS, INC. 5562 NWYRCYZN03 NY

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.