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.

Ferris, TX

<< 1 2

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
972-833 2 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2013-10-27   
972-833 3 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552   2014-05-15   
972-833 4 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2016-07-23   
972-833 5 DLLATX37DMD  8489 GLOBAL CROSSING LOCAL SERVICES, INC. - TX 552   2010-10-18   
972-833 6 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-12-06   
972-833 7 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2012-05-18   
972-833 8 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-12-06   
972-833 9   515J IP HORIZON LLC 552   2017-12-15   

<< 1 2

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.