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.

Lewisville EMS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
214-285 A LWVLTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
469-528 A DLLSTXTLDS7  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-528 0 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-08-28   
469-528 1 FRBRTXBLGT9  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2020-02-03   
469-528 2 DLLSTXTLDS7  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-528 3 DLLSTXTLDS7  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-528 4 DLLSTXTLDS7  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
469-528 5 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-08-28   
469-528 6 DLLSTXHM0MD  829J PAETEC ITEL, LLC 552   2007-07-25   
469-528 7 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-08-28   
469-528 8 DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2009-01-12   
469-528 9 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2010-08-17   
469-671 A DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
469-671 0 DLLSTXNODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
469-671 1 DLLTTXID1MD  5562 METROPCS, INC. 552   2005-12-15   
469-671 2 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2007-03-07   
469-671 3 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2004-09-24   
469-671 4 DLLTTXID1MD  5562 METROPCS, INC. 552   2005-12-15   
469-671 5 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2003-08-26   
469-671 6 DLLTTXID1MD  5562 METROPCS, INC. 552   2005-12-15   
469-671 7 DLLTTXID1MD  5562 METROPCS, INC. 552   2005-12-15   
469-671 8 DLLTTXID1MD  5562 METROPCS, INC. 552   2005-12-15   
469-671 9 DLLTTXID1MD  5562 METROPCS, INC. 552   2006-08-28   
972-316 A LWVLTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-316 0 LWVLTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-316 1 LWVLTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-316 2 LWVLTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-316 3 LWVLTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-316 4 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2005-11-30   
972-316 5 LWVLTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-316 6 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2005-11-30   
972-316 7 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-24   
972-316 8 LWVLTXXEDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-316 9 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-06-24   
972-318 A LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-318 0 LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-318 1 LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-318 2 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2010-06-15   
972-318 3 LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-318 4 IRNGTXXBXTY  903C ONVOY, LLC - TX 552   2010-08-06   
972-318 5 LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-318 6 FTWOTXEDX1Z  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2002-09-04   
972-318 7 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-11-06   
972-318 8 LWVLTXXFDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-318 9 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2010-11-20   
972-434 A LWVLTXXAPS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 A LWVLTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 0 LWVLTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 1 LWVLTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 2 LWVLTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 3 LWVLTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 4 LWVLTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 5 LWVLTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 6 LWVLTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 7 LWVLTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 8 LWVLTXXBDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
972-471 9 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2011-10-16   
972-724 A LWVLTXXCDS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.