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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
423-759 1 KNVLTNMAYBX  204G TWIN LAKES COMMUNICATIONS, INC. - TN 474      
423-759 2 KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-759 3 KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-759 4 KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-759 5 KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-759 6 KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-759 8 KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-759 9 KNVLTNJHGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 474      
423-839 A   792K CHARTER IP ENABLED SERVICES, LLC 474   2025-01-23   
423-839 0   792K CHARTER IP ENABLED SERVICES, LLC 474      
423-839 1   792K CHARTER IP ENABLED SERVICES, LLC 474      
423-839 2   792K CHARTER IP ENABLED SERVICES, LLC 474      
423-839 3 KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474      
423-839 4 KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474      
423-839 5 KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474      
423-839 6 KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474      
423-839 7 KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474      
423-839 8 KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474      
423-839 9 KNVLTNIIAMD  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 474      
423-927 A KNVNTNEC6MD  516J TON80 COMMUNICATIONS, LLC 474      
423-927 0 KNVNTNEC2MD  939H COMMIO, LLC 474      
423-927 1 KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-927 2 KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-927 3 KNVLTNMA49Z  525E ONVOY, LLC - TN 474      
423-927 7 KNVNTNEC6MD  516J TON80 COMMUNICATIONS, LLC 474      

<< 1 2 3

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.