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: 339

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-339 A Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-339 0 Grand Prairie EMS TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2004-07-05   
972-339 1 Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-339 2 Grand Prairie EMS TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2007-02-09   
972-339 3 Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-339 4 Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-339 5 Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-339 6 Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-339 7 Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      
972-339 8 Grand Prairie EMS TX DLLTTX01DMD  6529 T-MOBILE USA, INC. 552   2005-07-17   
972-339 9 Grand Prairie EMS TX DLLSTXMCDS0  9533 SOUTHWESTERN BELL 552      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.