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: 217

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-217 A De Soto (Ovilla) TX DLLSTXDSDS0  9533 SOUTHWESTERN BELL 552      
972-217 0 De Soto (Ovilla) TX DLLTTX01DMD  5562 METROPCS, INC. 552   2006-08-28   
972-217 1 De Soto (Ovilla) TX DLLSTXDSDS0  9533 SOUTHWESTERN BELL 552      
972-217 2 De Soto (Ovilla) TX DLLTTX01DMD  5562 METROPCS, INC. 552   2008-03-09   
972-217 3 De Soto (Ovilla) TX DLLSTXRIXIY  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2006-12-06   
972-217 4 De Soto (Ovilla) TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2012-12-14   
972-217 5 De Soto (Ovilla) TX DLLTTX01HMD  6664 SPRINT SPECTRUM, L.P. 552   2007-07-19   
972-217 6 De Soto (Ovilla) TX DLLTTX01HMD  6664 SPRINT SPECTRUM, L.P. 552   2007-07-19   
972-217 7 De Soto (Ovilla) TX DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2008-07-11   
972-217 8 De Soto (Ovilla) TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2008-09-20   
972-217 9 De Soto (Ovilla) TX DLLTTX01HMD  6664 SPRINT SPECTRUM, L.P. 552   2007-07-19   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.