Local Calling Guide

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NPA: 512 [Rate centres in NPA 512] [Dial plan for NPA 512]

NXX: 351

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-351 A Austin TX AUSTTXUH5MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-351 0 Austin TX   6529 T-MOBILE USA, INC. 558   2004-07-05   
512-351 1 Austin TX   6529 T-MOBILE USA, INC. 558   2004-08-16   
512-351 2 Austin TX   6529 T-MOBILE USA, INC. 558   2004-08-16   
512-351 3 Austin TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2004-05-16   
512-351 4 Austin TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558      
512-351 5 Austin TX   6529 T-MOBILE USA, INC. 558   2004-08-16   
512-351 6 Austin TX   6529 T-MOBILE USA, INC. 558   2004-08-16   
512-351 7 Austin TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 558   2004-08-08   
512-351 8 Austin TX   793K TWC IP ENABLED SERVICES, LLC 558   2004-08-20   
512-351 9 Austin TX   793K TWC IP ENABLED SERVICES, LLC 558   2004-08-20   

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

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