Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Winner, SD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
605-208 A SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-208 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-208 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-208 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-208 3   145J TERRA NOVA TELECOM INC. 640   2025-08-01   
605-208 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-208 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-208 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-840 A SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-840 0   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-840 1   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-840 2   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-840 4   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-840 8   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-840 9   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-841 A SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-841 0   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-841 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2010-12-04   
605-842 A WNNRSDXADS1  1686 VIVIAN TEL CO DBA GOLDEN WEST TELECOMMUNICATIONS 640      

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

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