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: 685

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
606-685 A Science Hill KY GRTWKYMAJMD  4369 LEVEL 3 COMMUNICATIONS, LLC - KY 466      
606-685 1 Science Hill KY   896E ONVOY, LLC - KY 466   2024-04-05   
606-685 6 Science Hill KY   793K TWC IP ENABLED SERVICES, LLC 466   2012-02-01   
606-685 8 Science Hill KY   624H ONVOY SPECTRUM, LLC 466   2024-12-15   
606-685 9 Science Hill KY   4369 LEVEL 3 COMMUNICATIONS, LLC - KY 466      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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