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 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
2018-07-25 843-350-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F BLENHEIM SC
2018-07-25 843-400-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F MCCOLL SC
2018-07-25 843-595-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F NICHOLS SC
2018-07-11 843-698-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 EASTCONWAY SC
2018-07-11 843-809-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA SC- LLC 635C MONCKS COR SC
2018-07-10 843-919-5XXX 5000–5999Assigned SOUTH CAROLINA NET, INC. - SC 1784 TIMMONSVL SC
2018-07-09 843-481-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F KINGSTREE SC
2018-06-29 843-898-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F WALTERBORO SC
2018-06-20 843-809-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 MONCKS COR SC
2018-06-20 843-809-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 MONCKS COR SC
2018-06-15 843-942-0XXX 0000–0999Assigned VONAGE AMERICA LLC 197D FLORENCE SC
2018-06-14 843-273-8XXX 8000–8999Assigned ONVOY, LLC - SC 548E NMYRTLEBCH SC
2018-06-14 843-630-6XXX 6000–6999Assigned ONVOY, LLC - SC 548E ANDREWS SC
2018-06-14 843-733-7XXX 7000–7999Assigned ONVOY, LLC - SC 548E CONWAY SC
2018-06-14 843-894-4XXX 4000–4999Assigned ONVOY, LLC - SC 548E PAWLEYS IS SC
2018-06-14 843-904-8XXX 8000–8999Assigned ONVOY, LLC - SC 548E GEORGETOWN SC
2018-06-08 843-258-9XXX 9000–9999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F RIDGELAND SC
2018-06-07 843-268-6XXX 6000–6999Assigned ONVOY, LLC - SC 548E LAKE VIEW SC
2018-06-07 843-306-2XXX 2000–2999Assigned ONVOY, LLC - SC 548E CLIO SC
2018-06-07 843-326-4XXX 4000–4999Assigned ONVOY, LLC - SC 548E LAMAR SC
2018-06-07 843-350-3XXX 3000–3999Assigned ONVOY, LLC - SC 548E BLENHEIM SC
2018-06-07 843-396-6XXX 6000–6999Assigned ONVOY, LLC - SC 548E OLANTA SC
2018-06-07 843-400-8XXX 8000–8999Assigned ONVOY, LLC - SC 548E MCCOLL SC
2018-06-07 843-418-2XXX 2000–2999Assigned ONVOY, LLC - SC 548E LATTA SC
2018-06-07 843-439-8XXX 8000–8999Assigned ONVOY, LLC - SC 548E BENNETTSVL SC
2018-06-07 843-481-8XXX 8000–8999Assigned ONVOY, LLC - SC 548E KINGSTREE SC
2018-06-07 843-483-3XXX 3000–3999Assigned ONVOY, LLC - SC 548E JOHNSONVL SC
2018-06-07 843-493-4XXX 4000–4999Assigned ONVOY, LLC - SC 548E PAMPLICO SC
2018-06-07 843-595-8XXX 8000–8999Assigned ONVOY, LLC - SC 548E NICHOLS SC
2018-06-07 843-627-8XXX 8000–8999Assigned ONVOY, LLC - SC 548E DILLON SC
2018-06-07 843-699-8XXX 8000–8999Assigned ONVOY, LLC - SC 548E LAKE CITY SC
2018-06-07 843-755-6XXX 6000–6999Assigned ONVOY, LLC - SC 548E SOCIETY HL SC
2018-06-07 843-865-8XXX 8000–8999Assigned ONVOY, LLC - SC 548E CHERAW SC
2018-06-07 843-874-8XXX 8000–8999Assigned ONVOY, LLC - SC 548E MARION SC
2018-06-07 843-919-3XXX 3000–3999Assigned ONVOY, LLC - SC 548E TIMMONSVL SC
2018-06-07 843-933-9XXX 9000–9999Assigned ONVOY, LLC - SC 548E HEMINGWAY SC
2018-06-07 843-951-8XXX 8000–8999Assigned ONVOY, LLC - SC 548E HARTSVILLE SC
2018-06-07 843-968-2XXX 2000–2999Assigned ONVOY, LLC - SC 548E DARLINGTON SC
2018-06-07 843-999-7XXX 7000–7999Assigned METROPCS, INC. 5562 MYRTLE BCH SC
2018-06-05 843-630-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 ANDREWS SC
2018-06-05 843-630-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 ANDREWS SC
2018-05-31 843-892-9XXX 9000–9999Assigned PEERLESS NETWORK OF SOUTH CAROLINA, LLC - SC 098H ROWLAND SC
2018-05-29 843-418-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F LATTA SC
2018-05-24 843-780-0XXX 0000–0999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 MYRTLE BCH SC
2018-05-24 843-780-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 MYRTLE BCH SC
2018-05-24 843-780-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 MYRTLE BCH SC
2018-05-14 843-439-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F BENNETTSVL SC
2018-05-14 843-904-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F GEORGETOWN SC
2018-05-09 843-258-4XXX 4000–4999Assigned ONVOY, LLC - SC 548E RIDGELAND SC
2018-05-09 843-459-7XXX 7000–7999Assigned ONVOY, LLC - SC 548E CHARLESTON SC

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.