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: 442

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
606-442 A Jellico KY KNVLTNMAYJX  478J NUSO, LLC 474      
606-442 0 Jellico KY   624H ONVOY SPECTRUM, LLC 474   2023-06-17   
606-442 1 Jellico KY   478J NUSO, LLC 474   2020-10-26   
606-442 3 Jellico KY   516C AT&T CORP. 474   2024-10-14   
606-442 4 Jellico KY   478J NUSO, LLC 474   2024-01-01   
606-442 8 Jellico KY   987E BANDWIDTH.COM CLEC, LLC - KY 474   2023-09-08   

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

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