Local Calling Guide

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

NXX: 527

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
512-527 A Austin TX AUSTTXFIDS0  9533 SOUTHWESTERN BELL 558      
512-527 0 Austin TX   9533 SOUTHWESTERN BELL 558      
512-527 1 Austin TX   9533 SOUTHWESTERN BELL 558      
512-527 2 Austin TX   9533 SOUTHWESTERN BELL 558      
512-527 3 Austin TX   793K TWC IP ENABLED SERVICES, LLC 558   2007-09-05   
512-527 4 Austin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2006-06-23   
512-527 5 Austin TX   9533 SOUTHWESTERN BELL 558      
512-527 6 Austin TX   7249 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - TX 558   2011-11-08   
512-527 7 Austin TX   9533 SOUTHWESTERN BELL 558      
512-527 8 Austin TX   9533 SOUTHWESTERN BELL 558      
512-527 9 Austin TX   9533 SOUTHWESTERN BELL 558      

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

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