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 843
METROPCS, INC. 78
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
2023-04-18 843-668-9XXX 9000–9999Assigned METROPCS, INC. 5562 COLLINSCK SC
2023-04-18 843-932-4XXX 4000–4999Assigned METROPCS, INC. 5562 GEORGETOWN SC
2022-04-14 843-750-9XXX 9000–9999Assigned METROPCS, INC. 5562 COLLINSCK SC
2021-11-23 843-874-1XXX 1000–1999Assigned METROPCS, INC. 5562 MARION SC
2021-04-16 843-942-2XXX 2000–2999Assigned METROPCS, INC. 5562 FLORENCE SC
2021-03-23 843-429-7XXX 7000–7999Assigned METROPCS, INC. 5562 MYRTLE BCH SC
2020-12-08 843-485-9XXX 9000–9999Assigned METROPCS, INC. 5562 GEORGETOWN SC
2020-10-14 843-385-8XXX 8000–8999Assigned METROPCS, INC. 5562 MYRTLE BCH SC
2020-09-01 843-668-8XXX 8000–8999Assigned METROPCS, INC. 5562 COLLINSCK SC
2020-06-12 843-765-8XXX 8000–8999Assigned METROPCS, INC. 5562 MARION SC
2020-03-30 843-809-4XXX 4000–4999Assigned METROPCS, INC. 5562 MONCKS COR SC
2019-08-19 843-932-1XXX 1000–1999Assigned METROPCS, INC. 5562 GEORGETOWN SC
2019-06-28 843-238-6XXX 6000–6999Assigned METROPCS, INC. 5562 MYRTLE BCH SC
2019-01-14 843-964-5XXX 5000–5999Assigned METROPCS, INC. 5562 MONCKS COR SC
2018-10-26 843-668-6XXX 6000–6999Assigned METROPCS, INC. 5562 COLLINSCK SC
2018-06-07 843-999-7XXX 7000–7999Assigned METROPCS, INC. 5562 MYRTLE BCH SC
2018-04-05 843-949-1XXX 1000–1999Assigned METROPCS, INC. 5562 BLUFFTON SC
2018-03-29 843-495-5XXX 5000–5999Assigned METROPCS, INC. 5562 FLORENCE SC
2018-03-22 843-492-8XXX 8000–8999Assigned METROPCS, INC. 5562 MYRTLE BCH SC
2018-03-22 843-929-3XXX 3000–3999Assigned METROPCS, INC. 5562 BEAUFORT SC
2017-12-22 843-867-8XXX 8000–8999Assigned METROPCS, INC. 5562 CHARLESTON SC
2017-11-20 843-867-9XXX 9000–9999Assigned METROPCS, INC. 5562 CHARLESTON SC
2017-11-20 843-999-8XXX 8000–8999Assigned METROPCS, INC. 5562 MYRTLE BCH SC
2017-09-07 843-964-3XXX 3000–3999Assigned METROPCS, INC. 5562 MONCKS COR SC
2017-06-06 843-964-2XXX 2000–2999Assigned METROPCS, INC. 5562 MONCKS COR SC
2017-03-01 843-712-4XXX 4000–4999Assigned METROPCS, INC. 5562 MYRTLE BCH SC
2017-02-27 843-584-0XXX 0000–0999Assigned METROPCS, INC. 5562 WALTERBORO SC
2017-02-27 843-964-9XXX 9000–9999Assigned METROPCS, INC. 5562 MONCKS COR SC
2017-02-07 843-459-6XXX 6000–6999Assigned METROPCS, INC. 5562 CHARLESTON SC
2017-01-30 843-584-3XXX 3000–3999Assigned METROPCS, INC. 5562 WALTERBORO SC
2017-01-04 843-712-3XXX 3000–3999Assigned METROPCS, INC. 5562 MYRTLE BCH SC
2016-12-30 843-925-4XXX 4000–4999Assigned METROPCS, INC. 5562 MONCKS COR SC
2016-04-28 843-433-6XXX 6000–6999Assigned METROPCS, INC. 5562 MARION SC
2016-04-28 843-543-7XXX 7000–7999Assigned METROPCS, INC. 5562 GEORGETOWN SC
2016-04-28 843-765-0XXX 0000–0999Assigned METROPCS, INC. 5562 MARION SC
2016-04-28 843-904-4XXX 4000–4999Assigned METROPCS, INC. 5562 GEORGETOWN SC
2016-04-27 843-925-2XXX 2000–2999Assigned METROPCS, INC. 5562 MONCKS COR SC
2016-04-27 843-925-5XXX 5000–5999Assigned METROPCS, INC. 5562 MONCKS COR SC
2016-01-12 843-751-1XXX 1000–1999Assigned METROPCS, INC. 5562 CHARLESTON SC
2016-01-12 843-998-8XXX 8000–8999Assigned METROPCS, INC. 5562 CHARLESTON SC
2015-07-15 843-432-8XXX 8000–8999Assigned METROPCS, INC. 5562 FLORENCE SC
2015-07-15 843-468-3XXX 3000–3999Assigned METROPCS, INC. 5562 FLORENCE SC
2015-07-15 843-472-3XXX 3000–3999Assigned METROPCS, INC. 5562 FLORENCE SC
2015-07-15 843-472-4XXX 4000–4999Assigned METROPCS, INC. 5562 FLORENCE SC
2015-06-02 843-707-3XXX 3000–3999Assigned METROPCS, INC. 5562 BLUFFTON SC
2015-06-02 843-802-1XXX 1000–1999Assigned METROPCS, INC. 5562 HILTONHEAD SC
2015-06-02 843-941-1XXX 1000–1999Assigned METROPCS, INC. 5562 BEAUFORT SC
2015-03-03 843-205-9XXX 9000–9999Assigned METROPCS, INC. 5562 MYRTLE BCH SC
2015-03-03 843-251-0XXX 0000–0999Assigned METROPCS, INC. 5562 MYRTLE BCH SC
2015-03-03 843-286-9XXX 9000–9999Assigned METROPCS, INC. 5562 MYRTLE BCH SC

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.