Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 803 [Rate centres in NPA 803] [Dial plan for NPA 803]

NXX: 665

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
803-665 A Columbia SC CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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