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: 601

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-601 A Bulls Gap TN BLGPTNMARS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-601 1 Bulls Gap TN   490J DISH WIRELESS, LLC 474   2022-10-15   
423-601 2 Bulls Gap TN   525E ONVOY, LLC - TN 474   2022-12-02   
423-601 3 Bulls Gap TN   525E ONVOY, LLC - TN 474   2022-12-02   
423-601 7 Bulls Gap TN   9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      

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

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