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: 200

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-200 A Dupree SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-200 0 Dupree SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-200 1 Dupree SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-200 2 Dupree SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-200 3 Dupree SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-200 4 Dupree SD   145J TERRA NOVA TELECOM INC. 640   2026-04-30   
605-200 5 Dupree SD   145J TERRA NOVA TELECOM INC. 640   2025-08-01   
605-200 9 Dupree SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      

Last updated: Sun, 17 May 2026 03:26:51 UTC

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