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: 537

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-537 A Lewisville TX LWVLTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-537 0 Lewisville TX LWVLTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-537 1 Lewisville TX LWVLTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-537 2 Lewisville TX LWVLTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-537 3 Lewisville TX LWVLTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-537 4 Lewisville TX DLLSTXSQDS2  8958 XO TEXAS, INC. 552   2011-09-27   
972-537 5 Lewisville TX IRNGTXXBXQX  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2011-03-21   
972-537 6 Lewisville TX DLLTTX01CMD  5562 METROPCS, INC. 552   2007-02-09   
972-537 7 Lewisville TX DLLTTX01CMD  5562 METROPCS, INC. 552   2007-02-09   
972-537 8 Lewisville TX DLLTTX01CMD  5562 METROPCS, INC. 552   2007-02-09   
972-537 9 Lewisville TX FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.