Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CLMASCSN01Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
803-602 A Columbia SC 551G NUSO, LLC 434      
803-861 A Columbia SC 551G NUSO, LLC 434      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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