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: 315

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-315 A Arlington SD SXFLSDPSDS1  580H AIRUS, INC. - SD 640      
605-315 0 Arlington SD   162G ONVOY, LLC - SD 640   2021-04-26   
605-315 1 Arlington SD   580H AIRUS, INC. - SD 640   2019-06-28   
605-315 2 Arlington SD   363J VALLEY COMMUNICATIONS, INC. D/B/A VALLEY FIBERCOM 640   2019-09-12   
605-315 3 Arlington SD   162G ONVOY, LLC - SD 640   2019-09-13   
605-315 4 Arlington SD   073H TELNYX LLC 640   2019-09-29   
605-315 5 Arlington SD   162G ONVOY, LLC - SD 640   2020-10-23   
605-315 6 Arlington SD   162G ONVOY, LLC - SD 640   2020-10-23   
605-315 7 Arlington SD   162G ONVOY, LLC - SD 640   2021-02-12   
605-315 8 Arlington SD   162G ONVOY, LLC - SD 640   2021-02-12   
605-315 9 Arlington SD   162G ONVOY, LLC - SD 640   2021-06-27   

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

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