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: 588

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-588 A Webster SD WBSTSD01RL0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-588 0 Webster SD   7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-588 1 Webster SD   7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-588 3 Webster SD   7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-588 4 Webster SD   7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-588 5 Webster SD   7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-588 8 Webster SD   7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-588 9 Webster SD   7076 MIDCONTINENT COMMUNICATIONS. - SD 640      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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