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.

Grapevine EMS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
817-329 A GRPVTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-388 A RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
817-388 0 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2011-06-26   
817-388 1 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2011-06-26   
817-388 2 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2011-06-26   
817-388 3 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2011-06-26   
817-388 4 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2011-06-26   
817-388 5 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2011-06-26   
817-388 6 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2011-06-26   
817-388 7 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2011-06-26   
817-388 8 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2011-06-26   
817-388 9 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2011-06-26   
817-410 A GRPVTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-414 A DLLSTX97DSS  6630 USA MOBILITY WIRELESS, INC. 552      
817-424 A GRPVTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-481 A GRPVTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-544 A FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-604 A DLLSTX97DSS  6630 USA MOBILITY WIRELESS, INC. 552      
817-748 A KLLRTX02DS0  4009 MILLENNIUM TELCOM, LLC DBA ONESOURCE COMM. - TX 552      
817-912 A RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
817-912 0 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
817-912 1 FTWPTXZPPS0  353D CHARTER FIBERLINK TX-CCO, LLC - TX 552   2005-12-25   
817-912 2 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2012-02-19   
817-912 3 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
817-912 4 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2011-10-08   
817-912 5 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2014-04-18   
817-912 6 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2006-07-27   
817-912 7 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2006-07-27   
817-912 8 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2006-07-27   
817-912 9 RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2006-07-27   
817-949 A GRPVTXXARS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.