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: 438

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-438 A Morristown TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-438 0 Morristown TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-438 1 Morristown TN KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474   2006-10-09   
423-438 2 Morristown TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2009-10-28   
423-438 3 Morristown TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2010-06-19   
423-438 4 Morristown TN KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474   2008-11-21   
423-438 5 Morristown TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2008-12-16   
423-438 6 Morristown TN KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2009-06-19   
423-438 7 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2009-12-10   
423-438 8 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2009-12-10   
423-438 9 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2009-12-10   

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

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