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: 546

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-546 A Iroquois SD IRQSSDCORS1  9631 QWEST CORPORATION 640      
605-546 0 Iroquois SD   9631 QWEST CORPORATION 640      
605-546 1 Iroquois SD   162G ONVOY, LLC - SD 640   2012-12-19   
605-546 2 Iroquois SD   9631 QWEST CORPORATION 640      
605-546 3 Iroquois SD   580H AIRUS, INC. - SD 640   2019-05-11   
605-546 4 Iroquois SD   508J CENTURYLINK COMMUNICATIONS, LLC 640   2017-06-08   
605-546 5 Iroquois SD   162G ONVOY, LLC - SD 640   2013-12-18   
605-546 6 Iroquois SD   162G ONVOY, LLC - SD 640   2013-12-18   
605-546 7 Iroquois SD   162G ONVOY, LLC - SD 640   2009-05-28   
605-546 8 Iroquois SD   162G ONVOY, LLC - SD 640   2019-09-13   
605-546 9 Iroquois SD   162G ONVOY, LLC - SD 640   2011-10-28   

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

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