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: 697

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
606-697 A Somerset KY SMRTKYXAX3X  506J TWILIO INTERNATIONAL, INC. 466   2024-12-27   
606-697 0 Somerset KY SMRTKYXAX3X  506J TWILIO INTERNATIONAL, INC. 466   2024-12-27   
606-697 1 Somerset KY   793K TWC IP ENABLED SERVICES, LLC 466   2025-05-09   
606-697 2 Somerset KY   793K TWC IP ENABLED SERVICES, LLC 466   2025-05-09   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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