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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: AUSTTXTEDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-239 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-286 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-339 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-490 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-491 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-672 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-719 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-821 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-823 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-832 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-833 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-834 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-835 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-836 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-837 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-838 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-873 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-908 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-973 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-977 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-997 A Austin TX 9533 SOUTHWESTERN BELL 558      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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