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: 817

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-817 A Leander TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
512-817 0 Leander TX   903C ONVOY, LLC - TX 558   2015-03-06   
512-817 1 Leander TX   903C ONVOY, LLC - TX 558   2015-03-06   
512-817 2 Leander TX   903C ONVOY, LLC - TX 558   2015-03-06   
512-817 3 Leander TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-03-09   
512-817 4 Leander TX   004F BANDWIDTH.COM CLEC, LLC - TX 558   2015-03-09   
512-817 5 Leander TX   829J PAETEC ITEL, LLC 558   2015-07-17   
512-817 6 Leander TX   6529 T-MOBILE USA, INC. 558   2015-07-13   
512-817 7 Leander TX   5562 METROPCS, INC. 558   2015-03-27   
512-817 8 Leander TX   6529 T-MOBILE USA, INC. 558   2015-07-13   
512-817 9 Leander TX   6529 T-MOBILE USA, INC. 558   2016-04-17   

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

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