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
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 449
ONVOY, LLC - SC 446
NEW CINGULAR WIRELESS PCS, LLC - GA 361
BANDWIDTH.COM CLEC, LLC - SC 309
SUNCOM DBA T-MOBILE USA 268
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
2023-07-12 843-932-5XXX 5000–5999Assigned ONVOY, LLC - SC 548E GEORGETOWN SC
2023-06-28 843-613-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K HARLEYVL SC
2023-06-28 843-931-5XXX 5000–5999Assigned TWC IP ENABLED SERVICES, LLC 793K ST GEORGE SC
2023-06-21 843-778-7XXX 7000–7999Assigned BOOST SUBSCRIBERCO L.L.C. 490J LORIS SC
2023-06-15 843-704-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 MONCKS COR SC
2023-06-15 843-704-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 MONCKS COR SC
2023-06-13 843-704-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MONCKS COR SC
2023-06-13 843-704-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MONCKS COR SC
2023-06-13 843-704-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MONCKS COR SC
2023-06-06 843-688-9XXX 9000–9999Assigned BOOST SUBSCRIBERCO L.L.C. 490J LEBANON SC
2023-05-26 843-733-1XXX 1000–1999Assigned BOOST SUBSCRIBERCO L.L.C. 490J CONWAY SC
2023-05-26 843-954-1XXX 1000–1999Assigned BOOST SUBSCRIBERCO L.L.C. 490J FLORENCE SC
2023-05-24 843-490-3XXX 3000–3999Assigned POWERTEL ATLANTA LICENSES, INC. 7473 COTTAGEVL SC
2023-05-23 843-843-0XXX 0000–0999Assigned ONVOY SPECTRUM, LLC 624H CHARLESTON SC
2023-05-23 843-843-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H CHARLESTON SC
2023-05-23 843-843-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H CHARLESTON SC
2023-05-23 843-843-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H CHARLESTON SC
2023-05-23 843-843-4XXX 4000–4999Assigned ONVOY SPECTRUM, LLC 624H CHARLESTON SC
2023-05-23 843-843-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H CHARLESTON SC
2023-05-23 843-843-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H CHARLESTON SC
2023-05-23 843-843-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H CHARLESTON SC
2023-05-23 843-843-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H CHARLESTON SC
2023-05-23 843-843-9XXX 9000–9999Assigned ONVOY SPECTRUM, LLC 624H CHARLESTON SC
2023-05-11 843-778-6XXX 6000–6999Assigned LEVEL 3 COMMUNICATIONS, LLC - SC 5258 LORIS SC
2023-05-11 843-943-1XXX 1000–1999Assigned TWC IP ENABLED SERVICES, LLC 793K LODGE SC
2023-05-10 843-955-2XXX 2000–2999Assigned TELEPORT COMMUNICATIONS AMERICA SC- LLC 635C CHARLESTON SC
2023-05-08 843-965-3XXX 3000–3999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CHARLESTON SC
2023-05-08 843-973-4XXX 4000–4999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CHARLESTON SC
2023-05-08 843-974-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CHARLESTON SC
2023-05-04 843-778-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 LORIS SC
2023-05-03 843-739-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J NWALTERBOR SC
2023-05-03 843-967-1XXX 1000–1999Assigned COMCAST IP PHONE, LLC 318J SWALTERBOR SC
2023-04-21 843-502-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H ST HELENA SC
2023-04-20 843-503-7XXX 7000–7999Assigned SUNCOM DBA T-MOBILE USA 8645 WMYRTLEBCH SC
2023-04-20 843-995-9XXX 9000–9999Assigned SUNCOM DBA T-MOBILE USA 8645 WMYRTLEBCH SC
2023-04-18 843-493-8XXX 8000–8999Assigned ONVOY SPECTRUM, LLC 624H PAMPLICO SC
2023-04-18 843-668-9XXX 9000–9999Assigned METROPCS, INC. 5562 COLLINSCK SC
2023-04-18 843-755-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H SOCIETY HL SC
2023-04-18 843-932-4XXX 4000–4999Assigned METROPCS, INC. 5562 GEORGETOWN SC
2023-04-17 843-287-5XXX 5000–5999Assigned ONVOY SPECTRUM, LLC 624H CHERAW SC
2023-04-17 843-309-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H HARTSVILLE SC
2023-04-17 843-396-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H OLANTA SC
2023-04-17 843-401-6XXX 6000–6999Assigned ONVOY SPECTRUM, LLC 624H KINGSTREE SC
2023-04-17 843-418-3XXX 3000–3999Assigned ONVOY SPECTRUM, LLC 624H LATTA SC
2023-04-17 843-487-7XXX 7000–7999Assigned ONVOY SPECTRUM, LLC 624H DILLON SC
2023-04-17 843-544-2XXX 2000–2999Assigned ONVOY SPECTRUM, LLC 624H BENNETTSVL SC
2023-04-17 843-585-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H HEMINGWAY SC
2023-04-17 843-595-1XXX 1000–1999Assigned ONVOY SPECTRUM, LLC 624H NICHOLS SC
2023-04-13 843-309-2XXX 2000–2999Assigned ONVOY, LLC - SC 548E HARTSVILLE SC
2023-04-13 843-483-0XXX 0000–0999Assigned ONVOY, LLC - SC 548E JOHNSONVL 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.