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: 325

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
972-325 A Seagoville TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
972-325 0 Seagoville TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-02-12   
972-325 1 Seagoville TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-11-18   
972-325 2 Seagoville TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-11-05   
972-325 3 Seagoville TX DLLSTXHW6MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 552   2007-07-21   
972-325 4 Seagoville TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2006-03-23   
972-325 5 Seagoville TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-02-12   
972-325 6 Seagoville TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-02-26   
972-325 7 Seagoville TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2010-06-15   
972-325 8 Seagoville TX DLLSTX37DSH  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-08-13   
972-325 9 Seagoville TX DLLSTXALDS4  903C ONVOY, LLC - TX 552   2021-10-14   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.