Local Calling Guide

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Keller EMS, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
817-322 A FRSCTXBJPS0  7670 GRANDE COMMUNICATIONS NETWORKS, INC. - TX 552      
817-379 A KLLRTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-379 0   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-379 1   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-379 2   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-379 3   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-379 4   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-379 5   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-379 6   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-379 7   145J TERRA NOVA TELECOM INC. 552   2024-08-29   
817-379 8   515J IP HORIZON LLC 552   2019-05-18   
817-379 9   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-482 A KLLRTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-482 0   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2020-11-20   
817-482 1   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 552      
817-482 2   7726 SOUTHWESTERN BELL TELEPHONE COMPANY - TX 552   2003-11-17   
817-482 3   903C ONVOY, LLC - TX 552   2020-08-17   
817-482 4   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552   2005-09-13   
817-482 5   177F PEERLESS NETWORK OF TEXAS, LLC - TX 552   2019-05-26   
817-482 6   004F BANDWIDTH.COM CLEC, LLC - TX 552   2015-05-23   
817-482 7   516C AT&T CORP. 552   2009-07-31   
817-482 8   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 552   2016-02-21   
817-482 9   004F BANDWIDTH.COM CLEC, LLC - TX 552   2016-09-15   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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