Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
605-265 A SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-265 0 SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-265 1 SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-265 2 SXFLSDPSCMD  516J TON80 COMMUNICATIONS, LLC 640   2022-03-30   
605-265 3 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2022-08-30   
605-345 A WBSTSDXADS0  1651 INTERSTATE TELECOM COOP, INC. - SD 640      
605-588 A WBSTSD01RL0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-588 0 WBSTSD01RL0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-588 1 WBSTSD01RL0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-588 3 WBSTSD01RL0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-588 4 WBSTSD01RL0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-588 5 WBSTSD01RL0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-588 8 WBSTSD01RL0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-588 9 WBSTSD01RL0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-590 A SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-590 0 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-590 1 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2013-02-08   
605-590 8 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2024-09-28   
605-590 9   145J TERRA NOVA TELECOM INC. 640   2025-08-01   

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

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