Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]

NXX: 818

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-818 A Jellico TN KNVNTNECDMD  276F PEERLESS NETWORK OF TENNESSEE, LLC - TN 474      
423-818 0 Jellico TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-11-12   
423-818 1 Jellico TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2018-03-31   
423-818 3 Jellico TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2021-06-19   
423-818 4 Jellico TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-10-25   
423-818 5 Jellico TN KNVNTNEC5MD  145J TERRA NOVA TELECOM INC. 474   2023-12-17   
423-818 6 Jellico TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-07-30   
423-818 7 Jellico TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-03-04   
423-818 8 Jellico TN KNVNTNEC0MD  073H TELNYX LLC 474   2018-09-21   
423-818 9 Jellico TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2020-12-21   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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