Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: AUSTTXLWRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-261 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-608 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-608 9 Austin TX 9533 SOUTHWESTERN BELL 558      

Last updated: Sat, 02 May 2026 12:20:53 UTC

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