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: 703

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-703 A Coker Creek TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-703 2 Coker Creek TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-04-11   
423-703 3 Coker Creek TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-04-11   
423-703 4 Coker Creek TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2020-01-23   
423-703 7 Coker Creek TN KNVLTNMAYIX  506J TWILIO INTERNATIONAL, INC. 474   2021-07-19   
423-703 9 Coker Creek TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2023-01-07   

Last updated: Sat, 25 Feb 2023 02:10:49 UTC

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