Local Calling Guide

Area code/prefix search

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
605-279 A WALLSDXADS0  1659 GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM 640      
605-515 A SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-515 0   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-515 1   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-515 2   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-515 3   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-515 4   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2011-03-22   
605-515 5   145J TERRA NOVA TELECOM INC. 640   2025-10-11   
605-515 6   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2023-10-01   
605-515 7   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2022-09-07   
605-515 8   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2020-09-25   
605-515 9   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      

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

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