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.

Roanoke EMS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
682-237 A RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
682-237 0   792K CHARTER IP ENABLED SERVICES, LLC 552   2018-12-09   
682-237 1 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-01-17   
682-237 2   792K CHARTER IP ENABLED SERVICES, LLC 552   2013-04-26   
682-237 3 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
682-237 4 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2004-01-13   
682-237 5 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-12-08   
682-237 6 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-12-08   
682-237 7   792K CHARTER IP ENABLED SERVICES, LLC 552   2005-12-25   
682-237 8 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2012-03-31   
682-237 9 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2011-01-21   
682-605 A DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
682-606 A DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-224 A RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-224 0 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-224 1 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-224 2 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-09-13   
817-224 3 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2008-03-31   
817-224 4 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2003-07-16   
817-224 5 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2007-09-14   
817-224 6 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-224 7 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-224 8 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-430 A RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-474 A RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-474 0 RONKTXWODS0  9533 SOUTHWESTERN BELL 552   2013-03-09   
817-474 1 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-474 2 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-474 3 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-474 4 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-474 5 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-474 6 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-474 7 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-474 8 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-474 9 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-497 A FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-497 0 FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-497 1 FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-497 2 FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-497 3 FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-497 4 FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-497 5 FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-497 6 FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-497 7 FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-497 8 DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2013-04-22   
817-497 9 FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-567 A DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-567 0 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2016-10-30   
817-567 1 IRNGTXXBPSB  0701 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552   2009-01-23   
817-567 2 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2010-06-15   
817-567 3 RCSNTXHVBMD  516C AT&T CORP. 552   2011-01-28   
817-567 4 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-02-24   
817-567 5 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-02-24   
817-567 6 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2012-02-15   
817-567 7 DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552   2011-02-18   
817-567 8 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2003-10-27   
817-567 9 DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-854 A RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-854 0 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-854 1 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2019-05-31   
817-854 2 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2014-09-26   
817-854 3 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2012-11-05   
817-854 4 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2014-09-26   
817-854 5 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2017-02-15   
817-854 6 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2016-03-22   
817-854 7 FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552   2014-05-15   
817-854 8 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2019-05-31   
817-854 9 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2019-05-31   
817-890 A RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-890 0 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-11-09   
817-890 1 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-890 2 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2010-11-09   
817-890 3 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-11-09   
817-890 4 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2008-09-19   
817-890 5 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-11-09   
817-890 6 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-11-09   
817-890 7 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-11-09   
817-890 8 DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-11-09   
817-890 9 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2020-09-26   
817-961 A RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-961 0 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-961 1 DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2021-11-27   
817-961 2 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-12-28   
817-961 3 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2008-07-11   
817-961 4 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2010-03-12   
817-961 5 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-961 6 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-961 7 RONKTXWODS0  9533 SOUTHWESTERN BELL 552      
817-961 8 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2016-06-02   
817-961 9 DLLSTX97DSS  177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2020-11-20   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.