Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: AUSTTXFARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-367 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-367 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-367 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-367 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-367 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-367 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-367 8 Austin TX 9533 SOUTHWESTERN BELL 558      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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