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.

Sugar Land, TX

1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
281-201 A HSTNTX01DS2  7421 AT&T - LOCAL 560      
281-201 0 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-01-24   
281-201 1 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2005-09-02   
281-201 2 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2011-07-15   
281-201 3 HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2005-04-01   
281-201 4 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2004-01-13   
281-201 5 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-04-27   
281-201 6 HSTQTX02DS4  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 560   2006-07-03   
281-201 7 HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560   2007-03-15   
281-201 8 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2011-09-30   
281-201 9 HSTNTX01DS2  7421 AT&T - LOCAL 560      
281-207 A HSTOTX42DS0  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-207 0 HSTOTX42DS0  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-207 1 HSTOTX42DS0  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-207 2 HSTOTX42DS0  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-207 3 HSTOTX42DS0  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-207 4 HSTOTX42DS0  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-207 5 HSTOTX42DS0  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-207 6 HSTOTXORDS1  2091 ETS TELEPHONE COMPANY, INC. 560   2006-06-09   
281-207 7 HSTOTX42DS0  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560      
281-207 8 HSTOTX42DS0  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2007-10-07   
281-207 9 HSTOTXORDS1  2091 ETS TELEPHONE COMPANY, INC. 560   2011-03-25   
281-240 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-242 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-243 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-262 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-263 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-264 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-265 A SGLDTXXDDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-269 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-273 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-274 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-275 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-276 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-277 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-278 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-279 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-285 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-287 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-289 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-294 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-295 A SGLDTXXEDS0  2147 WINDSTREAM SUGAR LAND, LLC 560      
281-302 A SGLDTXXE2MD  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-302 0 SGLDTXXE2MD  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-302 1 HSTOTX42DS0  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2008-10-15   
281-302 2 HSTOTX42DS0  7074 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 560   2008-10-15   
281-302 3 SGLDTXXE2MD  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 560      
281-302 4 HSTOTX46DS0  7239 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 560   2008-01-31   
281-302 5 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2006-08-01   
281-302 6 HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560   2005-06-01   

1 2 3 4 5 6 7 8 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.