Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Morristown, TN

<< 1 2 3 4 5 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
423-438 A KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-438 0 KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474      
423-438 1 KNVLTNMANMD  4806 LEVEL 3 COMMUNICATIONS, LLC - TN 474   2006-10-09   
423-438 2 KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2009-10-28   
423-438 3 KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2010-06-19   
423-438 4 KNVLTNMAYHX  318J COMCAST IP PHONE, LLC 474   2008-11-21   
423-438 5 KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2008-12-16   
423-438 6 KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2009-06-19   
423-438 7 KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2009-12-10   
423-438 8 KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2009-12-10   
423-438 9 KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2009-12-10   
423-492 A MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-492 0 KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2011-07-04   
423-492 1 KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2011-07-31   
423-492 2 KNVLTNMA48Z  7476 POWERTEL NASHVILLE LICENSES, INC. 474   2011-07-31   
423-492 3 KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2011-12-04   
423-492 4 KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2021-07-30   
423-492 5 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474   2011-05-14   
423-492 6 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474   2011-05-14   
423-492 7 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474   2011-05-14   
423-492 8 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474   2011-05-14   
423-492 9 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474   2011-05-14   
423-522 A MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-522 0 KNVLTNMAY8X  624H ONVOY SPECTRUM, LLC 474   2023-06-17   
423-522 1 KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2023-09-09   
423-522 2 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-522 3 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-522 5 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-522 6 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-522 7 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-522 8 KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2023-09-09   
423-522 9 KNVLTNMA49Z  525E ONVOY, LLC - TN 474   2023-09-09   
423-581 A MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-585 A MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-585 0 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-585 1 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-585 2 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-585 3 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-585 4 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-585 5 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-585 6 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-585 7 KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474      
423-585 8 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-585 9 MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-586 A MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-587 A MRTWTNMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 474      
423-616 A MRTWTNCKDS0  430H MRSTWN UT COMM DBA MRSTWN UT SYS FIBERNET - TN 474      
423-616 0 MRTWTNCKDS0  430H MRSTWN UT COMM DBA MRSTWN UT SYS FIBERNET - TN 474   2014-10-17   
423-616 1 KNVLTNMA56Z  124F BANDWIDTH.COM CLEC, LLC - TN 474   2015-06-13   
423-616 2 KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474   2015-10-05   

<< 1 2 3 4 5 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.