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   2017-12-15   
972-430 1 Blue Ridge TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2016-11-17   
972-430 2 Blue Ridge TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2018-08-25   
972-430 3 Blue Ridge TX DLLSTX97X1X  073H TELNYX LLC 552   2019-08-09   
972-430 4 Blue Ridge TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2018-07-13   
972-430 5 Blue Ridge TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2019-10-07   
972-430 6 Blue Ridge TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2019-10-07   
972-430 7 Blue Ridge TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2019-10-07   
972-430 8 Blue Ridge TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2019-05-27   
972-430 9 Blue Ridge TX DLLSTX97X1X  073H TELNYX LLC 552   2018-08-30   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.