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 818
METROPCS NETWORKS, LLC 211
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
2020-07-08 818-688-9XXX 9000–9999Assigned METROPCS NETWORKS, LLC 899D BRBN BRBN CA
2019-07-05 818-932-7XXX 7000–7999Assigned METROPCS NETWORKS, LLC 899D CANOGAPARK CA
2018-09-13 818-721-7XXX 7000–7999Assigned METROPCS NETWORKS, LLC 899D NORTHRIDGE CA
2017-12-21 818-579-1XXX 1000–1999Assigned METROPCS NETWORKS, LLC 899D NO HOLLYWD CA
2017-10-13 818-740-2XXX 2000–2999Assigned METROPCS NETWORKS, LLC 899D NO HOLLYWD CA
2017-09-13 818-791-5XXX 5000–5999Assigned METROPCS NETWORKS, LLC 899D SNFN SPLV CA
2017-09-13 818-791-6XXX 6000–6999Assigned METROPCS NETWORKS, LLC 899D SNFN SPLV CA
2017-07-26 818-791-2XXX 2000–2999Assigned METROPCS NETWORKS, LLC 899D SNFN SPLV CA
2017-07-26 818-791-3XXX 3000–3999Assigned METROPCS NETWORKS, LLC 899D SNFN SPLV CA
2017-04-26 818-791-7XXX 7000–7999Assigned METROPCS NETWORKS, LLC 899D SNFN SPLV CA
2017-03-09 818-664-5XXX 5000–5999Assigned METROPCS NETWORKS, LLC 899D GLENDALE CA
2017-03-09 818-664-6XXX 6000–6999Assigned METROPCS NETWORKS, LLC 899D GLENDALE CA
2017-03-09 818-664-8XXX 8000–8999Assigned METROPCS NETWORKS, LLC 899D GLENDALE CA
2017-03-09 818-664-9XXX 9000–9999Assigned METROPCS NETWORKS, LLC 899D GLENDALE CA
2017-02-07 818-745-4XXX 4000–4999Assigned METROPCS NETWORKS, LLC 899D GLENDALE CA
2016-12-16 818-579-0XXX 0000–0999Assigned METROPCS NETWORKS, LLC 899D NO HOLLYWD CA
2016-12-07 818-477-8XXX 8000–8999Assigned METROPCS NETWORKS, LLC 899D NORTHRIDGE CA
2016-12-07 818-863-2XXX 2000–2999Assigned METROPCS NETWORKS, LLC 899D GLENDALE CA
2016-07-07 818-619-4XXX 4000–4999Assigned METROPCS NETWORKS, LLC 899D SNFN PACM CA
2015-04-09 818-918-7XXX 7000–7999Assigned METROPCS NETWORKS, LLC 899D CANOGAPARK CA
2015-03-11 818-747-1XXX 1000–1999Assigned METROPCS NETWORKS, LLC 899D NO HOLLYWD CA
2014-12-18 818-210-2XXX 2000–2999Assigned METROPCS NETWORKS, LLC 899D NO HOLLYWD CA
2014-12-05 818-650-7XXX 7000–7999Assigned METROPCS NETWORKS, LLC 899D VAN NUYS CA
2014-08-14 818-423-1XXX 1000–1999Assigned METROPCS NETWORKS, LLC 899D NO HOLLYWD CA
2014-07-23 818-423-0XXX 0000–0999Assigned METROPCS NETWORKS, LLC 899D NO HOLLYWD CA
2014-03-05 818-927-8XXX 8000–8999Assigned METROPCS NETWORKS, LLC 899D NO HOLLYWD CA
2014-02-25 818-796-0XXX 0000–0999Assigned METROPCS NETWORKS, LLC 899D VAN NUYS CA
2013-10-30 818-853-1XXX 1000–1999Assigned METROPCS NETWORKS, LLC 899D NO HOLLYWD CA
2013-08-01 818-724-2XXX 2000–2999Assigned METROPCS NETWORKS, LLC 899D SNFN SPLV CA
2013-07-23 818-616-0XXX 0000–0999Assigned METROPCS NETWORKS, LLC 899D VAN NUYS CA
2013-06-28 818-301-8XXX 8000–8999Assigned METROPCS NETWORKS, LLC 899D NO HOLLYWD CA
2012-02-14 818-724-1XXX 1000–1999Assigned METROPCS NETWORKS, LLC 899D SNFN SPLV CA
2011-12-13 818-810-8XXX 8000–8999Assigned METROPCS NETWORKS, LLC 899D SNFN SPLV CA
2011-12-13 818-821-2XXX 2000–2999Assigned METROPCS NETWORKS, LLC 899D NO HOLLYWD CA
2011-09-19 818-721-1XXX 1000–1999Assigned METROPCS NETWORKS, LLC 899D NORTHRIDGE CA
2011-07-15 818-221-9XXX 9000–9999Assigned METROPCS NETWORKS, LLC 899D SNFN SPLV CA
2011-06-13 818-221-8XXX 8000–8999Assigned METROPCS NETWORKS, LLC 899D SNFN SPLV CA
2011-03-16 818-485-9XXX 9000–9999Assigned METROPCS NETWORKS, LLC 899D SNFN PACM CA
2011-03-08 818-221-5XXX 5000–5999Assigned METROPCS NETWORKS, LLC 899D SNFN SPLV CA
2011-03-08 818-221-7XXX 7000–7999Assigned METROPCS NETWORKS, LLC 899D SNFN SPLV CA
2011-03-08 818-626-7XXX 7000–7999Assigned METROPCS NETWORKS, LLC 899D NORTHRIDGE CA
2011-02-23 818-754-7XXX 7000–7999Assigned METROPCS NETWORKS, LLC 899D NO HOLLYWD CA
2011-02-17 818-466-4XXX 4000–4999Assigned METROPCS NETWORKS, LLC 899D CANOGAPARK CA
2010-12-21 818-272-6XXX 6000–6999Assigned METROPCS NETWORKS, LLC 899D SNFN PACM CA
2010-08-23 818-538-0XXX 0000–0999Assigned METROPCS NETWORKS, LLC 899D VAN NUYS CA
2010-08-23 818-538-1XXX 1000–1999Assigned METROPCS NETWORKS, LLC 899D VAN NUYS CA
2010-07-15 818-855-6XXX 6000–6999Assigned METROPCS NETWORKS, LLC 899D VAN NUYS CA
2010-07-15 818-922-9XXX 9000–9999Assigned METROPCS NETWORKS, LLC 899D VAN NUYS CA
2010-06-18 818-459-2XXX 2000–2999Assigned METROPCS NETWORKS, LLC 899D GLENDALE CA
2010-06-08 818-855-4XXX 4000–4999Assigned METROPCS NETWORKS, LLC 899D VAN NUYS CA

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.