NumberResearch Membership · Data 09/20/2026

Thousands-blocks in 843-730

This prefix’s ten 1,000-number blocks and who holds each — 10 on record · from the daily NANPA thousands-block report, 09/20/2026

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

The ten 1,000-number thousand-blocks inside prefix 843-730 and who was initially assigned each. Under pooling these blocks often belong to different carriers — the single prefix-level “assignee” is usually just the pool / code holder, not who holds the numbers. ← all 843 blocks

Most active assignees, all time — NPA 843
SUNCOM DBA T-MOBILE USA 4
NEW CINGULAR WIRELESS PCS, LLC - GA 3
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 2
SOUTH CAROLINA NET, INC. - SC 1
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
2010-02-08 843-730-0XXX 0000–0999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CHARLESTON SC
2010-04-15 843-730-1XXX 1000–1999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CHARLESTON SC
2010-04-15 843-730-2XXX 2000–2999Assigned NEW CINGULAR WIRELESS PCS, LLC - GA 6214 CHARLESTON SC
2010-06-04 843-730-3XXX 3000–3999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 CHARLESTON SC
2010-06-04 843-730-4XXX 4000–4999Assigned CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 6398 CHARLESTON SC
2012-03-01 843-730-5XXX 5000–5999Assigned SOUTH CAROLINA NET, INC. - SC 1784 CHARLESTON SC
2012-11-14 843-730-6XXX 6000–6999Assigned SUNCOM DBA T-MOBILE USA 8645 CHARLESTON SC
2013-01-09 843-730-7XXX 7000–7999Assigned SUNCOM DBA T-MOBILE USA 8645 CHARLESTON SC
2013-01-09 843-730-8XXX 8000–8999Assigned SUNCOM DBA T-MOBILE USA 8645 CHARLESTON SC
2013-01-09 843-730-9XXX 9000–9999Assigned SUNCOM DBA T-MOBILE USA 8645 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.