Local Calling Guide

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NPA: 817 [Rate centres in NPA 817] [Dial plan for NPA 817]

NXX: 310

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
817-310 A Grapevine TX RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
817-310 0 Grapevine TX RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
817-310 1 Grapevine TX RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2007-01-17   
817-310 2 Grapevine TX DLLSTXJFPS1  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-05-27   
817-310 3 Grapevine TX RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
817-310 4 Grapevine TX RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
817-310 5 Grapevine TX RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
817-310 6 Grapevine TX RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552      
817-310 7 Grapevine TX RONKTXWODS0  7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2009-04-26   
817-310 8 Grapevine TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2012-06-17   
817-310 9 Grapevine TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2006-12-07   

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

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