Local Calling Guide

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NPA: 979 [Rate centres in NPA 979] [Dial plan for NPA 979]

NXX: 639

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
979-639 A La Grange TX LGRNTXXADS0  4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 570      
979-639 0 La Grange TX   4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 570      
979-639 1 La Grange TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 570   2007-11-15   
979-639 2 La Grange TX   5562 METROPCS, INC. 570   2016-06-24   
979-639 5 La Grange TX   903C ONVOY, LLC - TX 570   2011-11-20   
979-639 6 La Grange TX   327E YMAX COMMUNICATIONS CORP. - TX 570   2011-04-03   
979-639 7 La Grange TX   327E YMAX COMMUNICATIONS CORP. - TX 570   2011-04-03   
979-639 8 La Grange TX   327E YMAX COMMUNICATIONS CORP. - TX 570   2011-04-03   

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

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