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: 730

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-730 A Chamberlain SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-730 0 Chamberlain SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-730 1 Chamberlain SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-730 2 Chamberlain SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-730 3 Chamberlain SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-730 4 Chamberlain SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-730 5 Chamberlain SD SXFLSDCOLMD  508J CENTURYLINK COMMUNICATIONS, LLC 640   2017-06-07   
605-730 6 Chamberlain SD SXFLSDPSDS1  580H AIRUS, INC. - SD 640   2018-03-01   
605-730 7 Chamberlain SD SXFLSDCOXMD  693G TELEPORT COMMUNICATIONS AMERICA SD-LLC 640   2017-03-10   

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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