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: 512 [Rate centres in NPA 512] [Dial plan for NPA 512]

NXX: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-273 A McDade TX MCDDTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-273 0 McDade TX MCDDTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-273 1 McDade TX MCDDTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-273 2 McDade TX MCDDTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      
512-273 3 McDade TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
512-273 4 McDade TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
512-273 5 McDade TX   793K TWC IP ENABLED SERVICES, LLC 558      
512-273 6 McDade TX   903C ONVOY, LLC - TX 558      
512-273 7 McDade TX AUSYTXFC0MD  004F BANDWIDTH.COM CLEC, LLC - TX 558      
512-273 8 McDade TX AUSTTX92X0X  139F WORLDCALL INTERCONNECT INC. 558      
512-273 9 McDade TX MCDDTXXADS0  2154 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 558      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.