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
2016-09-12 843-904-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J GEORGETOWN SC
2016-09-12 843-944-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J DARLINGTON SC
2016-09-08 843-591-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 EASTCONWAY SC
2016-09-08 843-591-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 EASTCONWAY SC
2016-09-06 843-990-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 CHARLESTON SC
2016-09-01 843-285-6XXX 6000–6999Assigned ONVOY, LLC - SC 548E SUMMERVL SC
2016-09-01 843-376-6XXX 6000–6999Assigned ONVOY, LLC - SC 548E SUMMERVL SC
2016-08-19 843-461-9XXX 9000–9999Assigned TWC IP ENABLED SERVICES, LLC 793K GEORGETOWN SC
2016-08-17 843-951-1XXX 1000–1999Assigned BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 HARTSVILLE SC
2016-08-17 843-951-2XXX 2000–2999Assigned BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 HARTSVILLE SC
2016-08-17 843-951-3XXX 3000–3999Assigned BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 HARTSVILLE SC
2016-08-17 843-951-4XXX 4000–4999Assigned BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 HARTSVILLE SC
2016-08-17 843-951-5XXX 5000–5999Assigned BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 HARTSVILLE SC
2016-08-17 843-951-6XXX 6000–6999Assigned BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 9417 HARTSVILLE SC
2016-08-16 843-929-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 BEAUFORT SC
2016-08-11 843-456-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 BENNETTSVL SC
2016-08-09 843-970-7XXX 7000–7999Assigned TWC IP ENABLED SERVICES, LLC 793K SUMMERVL SC
2016-08-05 843-802-2XXX 2000–2999Assigned TWC IP ENABLED SERVICES, LLC 793K HILTONHEAD SC
2016-08-01 843-242-0XXX 0000–0999Assigned ONVOY, LLC - SC 548E ISLE PALMS SC
2016-07-18 843-620-4XXX 4000–4999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F HOLLYWOOD SC
2016-07-12 843-945-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J MYRTLE BCH SC
2016-06-30 843-925-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MONCKS COR SC
2016-06-30 843-925-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MONCKS COR SC
2016-06-28 843-936-2XXX 2000–2999Assigned COMCAST IP PHONE, LLC 318J MTPLEASANT SC
2016-06-27 843-954-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J FLORENCE SC
2016-06-17 843-970-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F SUMMERVL SC
2016-06-15 843-929-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F BEAUFORT SC
2016-06-07 843-254-6XXX 6000–6999Assigned SUNCOM DBA T-MOBILE USA 8645 EASTCONWAY SC
2016-06-03 843-447-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 MYRTLE BCH SC
2016-05-27 843-778-1XXX 1000–1999Assigned TELEPORT COMMUNICATIONS AMERICA SC- LLC 635C LORIS SC
2016-05-27 843-931-1XXX 1000–1999Assigned PALMETTO TELEPHONE COMMUNICATIONS, LLC - SC 154C ST GEORGE SC
2016-05-23 843-474-3XXX 3000–3999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - SC 288B LAUREL BAY SC
2016-05-16 843-620-5XXX 5000–5999Assigned SOUTH CAROLINA NET, INC. - SC 1784 HOLLYWOOD SC
2016-05-16 843-883-1XXX 1000–1999Assigned SOUTH CAROLINA NET, INC. - SC 1784 SULLIVNSIS SC
2016-05-16 843-936-5XXX 5000–5999Assigned SOUTH CAROLINA NET, INC. - SC 1784 MTPLEASANT SC
2016-05-10 843-353-9XXX 9000–9999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MYRTLE BCH SC
2016-05-10 843-360-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MYRTLE BCH SC
2016-05-10 843-447-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 MYRTLE BCH SC
2016-05-09 843-806-6XXX 6000–6999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 CHARLESTON SC
2016-05-09 843-806-7XXX 7000–7999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 CHARLESTON SC
2016-05-09 843-806-8XXX 8000–8999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 CHARLESTON SC
2016-05-09 843-806-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 CHARLESTON SC
2016-05-03 843-806-5XXX 5000–5999Assigned MCIMETRO ACCESS TRANSMISSION SERVICES LLC - SC 288B CHARLESTON 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
2016-04-28 843-806-4XXX 4000–4999Assigned LEVEL 3 COMMUNICATIONS, LLC - SC 5258 CHARLESTON 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

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.