Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 843 [Rate centres in NPA 843] [Dial plan for NPA 843]

NXX: 437

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
843-437 A Charleston SC CHTNSCDT15Z  8645 SUNCOM DBA T-MOBILE USA 436      
843-437 0 Charleston SC   8645 SUNCOM DBA T-MOBILE USA 436      
843-437 1 Charleston SC   8645 SUNCOM DBA T-MOBILE USA 436      
843-437 2 Charleston SC   8645 SUNCOM DBA T-MOBILE USA 436      
843-437 3 Charleston SC   8645 SUNCOM DBA T-MOBILE USA 436      
843-437 4 Charleston SC   8645 SUNCOM DBA T-MOBILE USA 436      
843-437 5 Charleston SC   8645 SUNCOM DBA T-MOBILE USA 436      
843-437 6 Charleston SC   8645 SUNCOM DBA T-MOBILE USA 436      
843-437 7 Charleston SC   8645 SUNCOM DBA T-MOBILE USA 436      
843-437 8 Charleston SC   8645 SUNCOM DBA T-MOBILE USA 436      
843-437 9 Charleston SC   8645 SUNCOM DBA T-MOBILE USA 436      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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