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: 806

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-806 A Midway (Washington) TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956      
423-806 0 Midway (Washington) TN JHCYTNXCXNX  124F BANDWIDTH.COM CLEC, LLC - TN 956      
423-806 1 Midway (Washington) TN   792K CHARTER IP ENABLED SERVICES, LLC 956      
423-806 2 Midway (Washington) TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956      
423-806 3 Midway (Washington) TN JHCYTNXCX3X  7278 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TN 956      
423-806 4 Midway (Washington) TN JHCYTNXCXAY  073H TELNYX LLC 956      
423-806 5 Midway (Washington) TN JHCYTNXCXHY  318J COMCAST IP PHONE, LLC 956      
423-806 6 Midway (Washington) TN JHCYTNXCXRX  114F TELEPORT COMMUNICATIONS AMERICA, LLC - TN 956      
423-806 7 Midway (Washington) TN JHCYTNXCX8Y  939H COMMIO, LLC 956      
423-806 8 Midway (Washington) TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956      
423-806 9 Midway (Washington) TN JHCYTNXCXPX  525E ONVOY, LLC - TN 956      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.