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: 606

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-606 A Englewood TN KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474      
423-606 0 Englewood TN KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474   2007-04-12   
423-606 1 Englewood TN MRTWTN280MD  704C CHARTER FIBERLINK-TENNESSEE, LLC - TN 474   2023-04-02   
423-606 6 Englewood TN KNVLTNMA54Z  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 474   2020-06-11   

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

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