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: 616

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-616 A Morristown TN MRTWTNCKDS0  430H MRSTWN UT COMM DBA MRSTWN UT SYS FIBERNET - TN 474      
423-616 0 Morristown TN MRTWTNCKDS0  430H MRSTWN UT COMM DBA MRSTWN UT SYS FIBERNET - TN 474   2014-10-17   
423-616 1 Morristown TN KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2015-06-13   
423-616 2 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2015-10-05   
423-616 3 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2016-02-07   
423-616 4 Morristown TN KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2018-08-24   
423-616 5 Morristown TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-03-18   
423-616 6 Morristown TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-03-18   
423-616 7 Morristown TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-06-09   
423-616 8 Morristown TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-06-09   
423-616 9 Morristown TN KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2016-06-09   

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

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