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: 316

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-316 A Iroquois SD SXFLSDPSDS1  580H AIRUS, INC. - SD 640      
605-316 0 Iroquois SD   073H TELNYX LLC 640   2021-01-01   
605-316 1 Iroquois SD   580H AIRUS, INC. - SD 640   2020-07-12   
605-316 2 Iroquois SD   624H ONVOY SPECTRUM, LLC 640   2024-12-20   
605-316 3 Iroquois SD   162G ONVOY, LLC - SD 640   2020-08-21   
605-316 4 Iroquois SD   363J VALLEY COMMUNICATIONS, INC. D/B/A VALLEY FIBERCOM 640   2021-02-27   
605-316 5 Iroquois SD   162G ONVOY, LLC - SD 640   2020-08-21   
605-316 6 Iroquois SD   162G ONVOY, LLC - SD 640   2020-10-23   
605-316 7 Iroquois SD   162G ONVOY, LLC - SD 640   2021-03-13   
605-316 8 Iroquois SD   162G ONVOY, LLC - SD 640   2021-03-13   
605-316 9 Iroquois SD   162G ONVOY, LLC - SD 640   2021-06-27   

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

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