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: 726

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-726 A Midway (Sullivan) TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-726 1 Midway (Sullivan) TN   073H TELNYX LLC 956   2021-01-23   
423-726 2 Midway (Sullivan) TN   792K CHARTER IP ENABLED SERVICES, LLC 956   2005-01-23   
423-726 3 Midway (Sullivan) TN   525E ONVOY, LLC - TN 956   2021-02-17   
423-726 5 Midway (Sullivan) TN   525E ONVOY, LLC - TN 956   2021-02-17   
423-726 6 Midway (Sullivan) TN   114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 956   2021-03-09   
423-726 7 Midway (Sullivan) TN   525E ONVOY, LLC - TN 956   2021-02-17   
423-726 9 Midway (Sullivan) TN   525E ONVOY, LLC - TN 956   2023-09-16   

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

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