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
2015-03-02 843-879-1XXX 1000–1999Assigned METROPCS, INC. 5562 SUMMERVL SC
2015-03-02 843-974-7XXX 7000–7999Assigned METROPCS, INC. 5562 CHARLESTON SC
2015-02-12 843-885-1XXX 1000–1999Assigned PEERLESS NETWORK OF SOUTH CAROLINA, LLC - SC 098H ISLE PALMS SC
2015-02-04 843-799-6XXX 6000–6999Assigned TELEPORT COMMUNICATIONS AMERICA SC- LLC 635C FLORENCE SC
2015-01-30 843-285-9XXX 9000–9999Assigned TWC IP ENABLED SERVICES, LLC 793K SUMMERVL SC
2015-01-27 843-940-7XXX 7000–7999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F BEAUFORT SC
2015-01-27 843-940-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F BEAUFORT SC
2015-01-26 843-466-6XXX 6000–6999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F LAUREL BAY SC
2015-01-26 843-508-1XXX 1000–1999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F ROWLAND SC
2015-01-26 843-989-0XXX 0000–0999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F YEMASSEE SC
2015-01-22 843-305-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F RIDGELAND SC
2015-01-22 843-310-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F LOWCOUNTRY SC
2015-01-22 843-507-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F NEWTONVL SC
2015-01-22 843-510-5XXX 5000–5999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F WALTERBORO SC
2015-01-22 843-620-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F HOLLYWOOD SC
2015-01-22 843-633-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F FOLLYBEACH SC
2015-01-22 843-633-3XXX 3000–3999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F FOLLYBEACH SC
2015-01-22 843-888-1XXX 1000–1999Assigned WOW! INTERNET, CABLE AND PHONE 961J MTPLEASANT SC
2015-01-20 843-872-6XXX 6000–6999Assigned AT&T ENTERPRISES, LLC 516C CHARLESTON SC
2015-01-16 843-715-5XXX 5000–5999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 HILTONHEAD SC
2015-01-16 843-715-6XXX 6000–6999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 HILTONHEAD SC
2015-01-16 843-925-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 MONCKS COR SC
2015-01-15 843-941-9XXX 9000–9999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 BEAUFORT SC
2015-01-13 843-353-3XXX 3000–3999Assigned LEVEL 3 COMMUNICATIONS, LLC - SC 5258 MYRTLE BCH SC
2015-01-13 843-796-3XXX 3000–3999Assigned TWC IP ENABLED SERVICES, LLC 793K WMYRTLEBCH SC
2015-01-13 843-940-0XXX 0000–0999Assigned POWERTEL ATLANTA LICENSES, INC. 7473 BEAUFORT SC
2015-01-13 843-940-1XXX 1000–1999Assigned POWERTEL ATLANTA LICENSES, INC. 7473 BEAUFORT SC
2015-01-13 843-940-2XXX 2000–2999Assigned POWERTEL ATLANTA LICENSES, INC. 7473 BEAUFORT SC
2015-01-13 843-940-3XXX 3000–3999Assigned POWERTEL ATLANTA LICENSES, INC. 7473 BEAUFORT SC
2015-01-13 843-940-4XXX 4000–4999Assigned POWERTEL ATLANTA LICENSES, INC. 7473 BEAUFORT SC
2015-01-13 843-940-5XXX 5000–5999Assigned POWERTEL ATLANTA LICENSES, INC. 7473 BEAUFORT SC
2015-01-13 843-940-6XXX 6000–6999Assigned POWERTEL ATLANTA LICENSES, INC. 7473 BEAUFORT SC
2015-01-13 843-940-9XXX 9000–9999Assigned POWERTEL ATLANTA LICENSES, INC. 7473 BEAUFORT SC
2015-01-09 843-231-5XXX 5000–5999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 MYRTLE BCH SC
2015-01-09 843-872-1XXX 1000–1999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 CHARLESTON SC
2015-01-09 843-872-2XXX 2000–2999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 CHARLESTON SC
2014-12-29 843-888-0XXX 0000–0999Assigned PEERLESS NETWORK OF SOUTH CAROLINA, LLC - SC 098H MTPLEASANT SC
2014-12-22 843-920-1XXX 1000–1999Assigned PALMETTO TELEPHONE COMMUNICATIONS, LLC - SC 154C HOLLYWOOD SC
2014-12-12 843-872-7XXX 7000–7999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CHARLESTON SC
2014-12-12 843-872-8XXX 8000–8999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CHARLESTON SC
2014-12-09 843-505-9XXX 9000–9999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J BLUFFTON SC
2014-12-09 843-715-7XXX 7000–7999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J HILTONHEAD SC
2014-12-09 843-783-5XXX 5000–5999Assigned CENTURYLINK COMMUNICATIONS, LLC 508J HARDEEVL SC
2014-12-08 843-310-2XXX 2000–2999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F LOWCOUNTRY SC
2014-12-05 843-291-5XXX 5000–5999Assigned SUNCOM DBA T-MOBILE USA 8645 MONCKS COR SC
2014-12-05 843-291-6XXX 6000–6999Assigned SUNCOM DBA T-MOBILE USA 8645 MONCKS COR SC
2014-12-01 843-306-1XXX 1000–1999Assigned SOUTH CAROLINA NET, INC. - SC 1784 CLIO SC
2014-11-25 843-254-3XXX 3000–3999Assigned SUNCOM DBA T-MOBILE USA 8645 EASTCONWAY SC
2014-11-21 843-715-4XXX 4000–4999Assigned TWC IP ENABLED SERVICES, LLC 793K HILTONHEAD SC
2014-11-11 843-203-8XXX 8000–8999Assigned BANDWIDTH.COM CLEC, LLC - SC 077F 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.