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.

Katy, TX

1 2 3 4 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
281-234 A KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
281-234 0 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2006-06-10   
281-234 1 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2006-06-10   
281-234 2 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2006-06-10   
281-234 3 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2006-06-10   
281-234 4 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2006-06-10   
281-234 5 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2006-06-10   
281-234 6 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2006-06-10   
281-234 7 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2006-06-10   
281-234 8 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2006-06-10   
281-234 9 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2006-06-10   
281-505 A HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560      
281-505 0 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2019-09-16   
281-505 1 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2019-10-20   
281-505 2 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-01-11   
281-505 3 HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2019-04-08   
281-505 4 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-03-08   
281-505 5 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-03-08   
281-505 6 HSTNTX01MMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 560   2019-04-26   
281-505 7 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-03-08   
281-505 8 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2020-03-08   
281-505 9 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2020-07-05   
281-574 A   2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
281-574 0 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2011-01-07   
281-574 1   2109 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
281-574 2 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
281-574 3 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
281-574 4 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
281-574 5 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
281-574 6 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2003-07-23   
281-574 7 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2010-09-16   
281-574 8 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
281-574 9 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
281-665 A KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560      
281-665 0 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-07-30   
281-665 1 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2012-11-12   
281-665 2 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2013-02-09   
281-665 3 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2013-07-12   
281-665 4 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2013-08-23   
281-665 5 RSBGTXRRDS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 560   2013-10-31   
281-665 6 KATYTXXADS1  2072 CONSOLIDATED COMMUNICATIONS OF TEXAS COMPANY 560   2013-12-05   
281-665 7 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2013-10-30   
281-665 8 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2014-06-12   
281-665 9 HSTNTX01GT5  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2015-07-30   
281-712 A HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-712 0 HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-712 1 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-12-12   
281-712 2 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-12-12   
281-712 3 HSTNTXCLX5Y  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-712 4 HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2006-10-23   

1 2 3 4 >>

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.