Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 606 [Rate centres in NPA 606] [Dial plan for NPA 606]

NXX: 405

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
606-405 A Catlettsburg KY LXTNKY24HMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 466      
606-405 0 Catlettsburg KY   419C ARMSTRONG TELECOMMUNICATIONS, INC. - KY 466   2007-10-29   
606-405 3 Catlettsburg KY   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 466   2005-06-03   
606-405 5 Catlettsburg KY   896E ONVOY, LLC - KY 466   2016-05-23   
606-405 6 Catlettsburg KY   896E ONVOY, LLC - KY 466   2016-05-23   
606-405 7 Catlettsburg KY   896E ONVOY, LLC - KY 466   2020-06-07   
606-405 8 Catlettsburg KY   896E ONVOY, LLC - KY 466   2020-06-07   
606-405 9 Catlettsburg KY   073H TELNYX LLC 466   2020-06-28   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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