Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 512 [Rate centres in NPA 512] [Dial plan for NPA 512]

NXX: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-203 A Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558      
512-203 0 Austin TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2003-04-28   
512-203 1 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-05-12   
512-203 2 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-05-12   
512-203 3 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-05-12   
512-203 4 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-05-12   
512-203 5 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-07-12   
512-203 6 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-07-12   
512-203 7 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-07-12   
512-203 8 Austin TX AUSWTXGXBMD  5562 METROPCS, INC. 558   2003-10-01   
512-203 9 Austin TX AUSWTXGXBMD  6529 T-MOBILE USA, INC. 558   2003-10-12   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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