Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 605 [Rate centres in NPA 605] [Dial plan for NPA 605]

NXX: 675

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-675 A Vermillion SD SXFLSDCHMMD  6701 AERIAL COMMUNICATIONS, INC. 640      
605-675 0 Vermillion SD SXFLSDPS1MD  939H COMMIO, LLC 640   2023-10-13   
605-675 1 Vermillion SD SXFLSDPS1MD  939H COMMIO, LLC 640   2023-10-13   
605-675 2 Vermillion SD SXFLSDPS1MD  939H COMMIO, LLC 640   2023-10-13   
605-675 3 Vermillion SD SXFLSDPS1MD  939H COMMIO, LLC 640   2023-10-13   
605-675 4 Vermillion SD SXFLSDPS1MD  939H COMMIO, LLC 640   2023-10-13   
605-675 6 Vermillion SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2022-02-18   
605-675 7 Vermillion SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2019-09-13   
605-675 8 Vermillion SD SXFLSDPS5MD  145J TERRA NOVA TELECOM INC. 640   2024-05-10   
605-675 9 Vermillion SD SXFLSDCHMMD  5562 METROPCS, INC. 640      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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