Local Calling Guide

Area code/prefix search

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NPA: 803 [Rate centres in NPA 803] [Dial plan for NPA 803]

NXX: 329

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
803-329 A Rock Hill SC RCHLSCXB32S  0542 COMPORIUM, INC. 422      

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

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