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.

Denton, TX

<< 1 2 3 4 5 6 7 8 9 10 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
940-220 3 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2013-08-20   
940-220 4 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-10-14   
940-220 5 DLLSTXHW6MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 552   2005-08-29   
940-220 6 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2006-04-27   
940-220 7 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-09-05   
940-220 8 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2010-10-24   
940-220 9 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-02-24   
940-222 A DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
940-222 0 CRTNTX35G03  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2011-11-18   
940-222 1 CRTNTX35G03  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2012-01-04   
940-222 2 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-11-19   
940-222 3 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2011-11-06   
940-222 4 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2012-08-01   
940-222 5 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-11-19   
940-222 6 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-04-22   
940-222 7 DLLTTX01CMD  5562 METROPCS, INC. 552   2012-04-05   
940-222 8 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2012-08-16   
940-222 9 CRTNTX35G03  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2012-01-20   
940-230 A ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
940-230 0 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
940-230 1 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
940-230 2 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-03-03   
940-230 3 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-08-07   
940-230 4 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-08-07   
940-230 5 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-08-07   
940-230 6 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-08-07   
940-230 7 DLLTTX01CMD  5562 METROPCS, INC. 552   2006-01-27   
940-230 8 DLLTTX01CMD  5562 METROPCS, INC. 552   2006-01-27   
940-230 9 DLLTTX01CMD  5562 METROPCS, INC. 552   2006-01-27   
940-231 A ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
940-231 0 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
940-231 1 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
940-231 2 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-03-05   
940-231 3 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
940-231 4 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
940-231 5 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
940-231 6 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
940-231 7 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
940-231 8 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
940-231 9 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
940-239 A DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
940-239 0 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
940-239 1 DLLSTX97TMD  939H COMMIO, LLC 552   2021-09-18   
940-239 2 DLLSTX97TMD  939H COMMIO, LLC 552   2021-09-18   
940-239 3 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-12-31   
940-239 4   145J TERRA NOVA TELECOM INC. 552   2021-05-16   
940-239 5 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
940-239 6 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
940-239 7 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
940-239 8 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2022-10-15   

<< 1 2 3 4 5 6 7 8 9 10 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.