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.

NPA: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]

NXX: 418

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-418 A Midway (Sullivan) TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-418 0 Midway (Sullivan) TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-418 1 Midway (Sullivan) TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2020-06-18   
423-418 2 Midway (Sullivan) TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-418 3 Midway (Sullivan) TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-418 4 Midway (Sullivan) TN JHCYTNXCXIY  6673 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN 956      
423-418 5 Midway (Sullivan) TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2018-09-13   
423-418 6 Midway (Sullivan) TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2018-09-13   
423-418 7 Midway (Sullivan) TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2020-06-18   
423-418 8 Midway (Sullivan) TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2019-06-06   
423-418 9 Midway (Sullivan) TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956   2019-06-06   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.