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: 737 [Rate centres in NPA 737] [Dial plan for NPA 737]

NXX: 238

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-238 A Bertram TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
737-238 0 Bertram TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2018-08-19   
737-238 1 Bertram TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2018-08-20   
737-238 2 Bertram TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2018-12-19   
737-238 3 Bertram TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2019-05-30   
737-238 4 Bertram TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2019-09-14   
737-238 5 Bertram TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558   2019-07-12   
737-238 6 Bertram TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2018-12-21   
737-238 7 Bertram TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2018-12-21   
737-238 8 Bertram TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2018-12-21   
737-238 9 Bertram TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2018-12-21   

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.