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: 972 [Rate centres in NPA 972] [Dial plan for NPA 972]

NXX: 430

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-430 A Blue Ridge TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-430 0 Blue Ridge TX   515J IP HORIZON LLC 552      
972-430 1 Blue Ridge TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-430 2 Blue Ridge TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
972-430 3 Blue Ridge TX DLLSTX97X1X  073H TELNYX LLC 552      
972-430 4 Blue Ridge TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-430 5 Blue Ridge TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-430 6 Blue Ridge TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-430 7 Blue Ridge TX DLLSTXALDS4  903C ONVOY, LLC - TX 552      
972-430 8 Blue Ridge TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552      
972-430 9 Blue Ridge TX DLLSTX97X1X  073H TELNYX LLC 552      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.