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: 776

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-776 A Pierre SD PIRRSDCODS6  9631 QWEST CORPORATION 640      
605-776 0 Pierre SD   9631 QWEST CORPORATION 640      
605-776 1 Pierre SD   9631 QWEST CORPORATION 640      
605-776 2 Pierre SD   162G ONVOY, LLC - SD 640   2019-09-13   
605-776 3 Pierre SD   162G ONVOY, LLC - SD 640   2019-11-07   
605-776 4 Pierre SD   162G ONVOY, LLC - SD 640   2019-11-07   
605-776 5 Pierre SD   508J CENTURYLINK COMMUNICATIONS, LLC 640   2017-06-07   
605-776 6 Pierre SD   693G TELEPORT COMMUNICATIONS AMERICA SD-LLC 640   2014-03-03   
605-776 7 Pierre SD   162G ONVOY, LLC - SD 640   2012-01-13   
605-776 8 Pierre SD   106F BANDWIDTH.COM CLEC, LLC - SD 640   2020-05-09   
605-776 9 Pierre SD   162G ONVOY, LLC - SD 640   2020-08-20   

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

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