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: 492

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-492 A Morristown TN MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-492 0 Morristown TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2011-07-04   
423-492 1 Morristown TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2011-07-31   
423-492 2 Morristown TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2011-07-31   
423-492 3 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2011-12-04   
423-492 4 Morristown TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-07-30   
423-492 5 Morristown TN MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474   2011-05-14   
423-492 6 Morristown TN MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474   2011-05-14   
423-492 7 Morristown TN MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474   2011-05-14   
423-492 8 Morristown TN MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474   2011-05-14   
423-492 9 Morristown TN MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474   2011-05-14   

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

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