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: AUSTTXEVDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-247 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-247 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-247 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-247 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-247 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-247 6 Austin TX 9533 SOUTHWESTERN BELL 558   2000-11-04   
512-247 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-247 9 Austin TX 9533 SOUTHWESTERN BELL 558      
512-356 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-356 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-356 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-356 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-356 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-356 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-356 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-356 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-356 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-356 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-369 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-369 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-369 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-369 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-369 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-369 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-369 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-369 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-385 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-386 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-386 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-386 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-386 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-386 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-386 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-386 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-386 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-386 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-386 9 Austin TX 9533 SOUTHWESTERN BELL 558      
512-389 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-676 6 Austin TX 9533 SOUTHWESTERN BELL 558   2014-01-23   
512-730 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-730 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-730 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-823 4 Austin TX 9533 SOUTHWESTERN BELL 558      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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