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.

Allen EACS, TX

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
214-495 A ALLNTXSADS0  9533 SOUTHWESTERN BELL 552      
214-495 0   9533 SOUTHWESTERN BELL 552      
214-495 1   004F BANDWIDTH.COM CLEC, LLC - TX 552   2013-03-30   
214-495 2   9533 SOUTHWESTERN BELL 552      
214-495 3   9533 SOUTHWESTERN BELL 552      
214-495 4   9533 SOUTHWESTERN BELL 552      
214-495 5   9533 SOUTHWESTERN BELL 552      
214-495 6   9533 SOUTHWESTERN BELL 552      
214-495 7   9533 SOUTHWESTERN BELL 552      
214-495 8   9533 SOUTHWESTERN BELL 552      
214-495 9   9533 SOUTHWESTERN BELL 552      
214-509 A ALLNTXSADS0  9533 SOUTHWESTERN BELL 552      
214-509 0   9533 SOUTHWESTERN BELL 552      
214-509 1   9533 SOUTHWESTERN BELL 552      
214-509 2   9533 SOUTHWESTERN BELL 552      
214-509 3   9533 SOUTHWESTERN BELL 552      
214-509 4   9533 SOUTHWESTERN BELL 552      
214-509 5   903C ONVOY, LLC - TX 552   2019-02-18   
214-509 6   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2008-02-11   
214-509 7   004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-02-26   
214-509 8   004F BANDWIDTH.COM CLEC, LLC - TX 552   2009-02-21   
214-509 9   9533 SOUTHWESTERN BELL 552      
214-547 A ALLNTXSADS0  9533 SOUTHWESTERN BELL 552      
214-785 A IRNGTXXBPSB  0701 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2008-12-06   
214-785 0   004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-24   
214-785 1   004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-08-14   
214-785 2   8958 XO TEXAS, INC. 552   2009-01-07   
214-785 3   327E YMAX COMMUNICATIONS CORP. - TX 552   2009-07-23   
214-785 4   327E YMAX COMMUNICATIONS CORP. - TX 552   2009-07-23   
214-785 5   327E YMAX COMMUNICATIONS CORP. - TX 552   2009-01-21   
214-785 6   903C ONVOY, LLC - TX 552   2009-05-12   
214-785 7   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2009-01-21   
214-785 8   004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-10-24   
214-785 9   0701 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2008-12-06   
469-656 A DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
469-656 0   7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
469-656 1   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2003-05-11   
469-656 2   8958 XO TEXAS, INC. 552   2005-05-27   
469-656 3   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-10-23   
469-656 4   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-03-09   
469-656 5   8958 XO TEXAS, INC. 552   2006-08-19   
469-656 6   7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552   2010-10-28   
469-656 7   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-02-11   
469-656 8   004F BANDWIDTH.COM CLEC, LLC - TX 552   2014-09-18   
469-656 9   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2014-11-17   
469-675 A DLLBTXPVDS0  7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
469-675 0   7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
469-675 1   7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
469-675 2   7148 TELEPORT COMMUNICATIONS GROUP - DALLAS 552      
469-675 3   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 552   2007-12-28   

1 2 >>

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.