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: AUSTTXJODS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-219 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-249 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-250 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-257 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-258 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-331 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-335 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-336 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-336 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-336 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-336 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-336 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-336 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-336 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-336 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-336 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-336 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-378 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-378 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-378 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-378 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-378 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-378 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-378 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-378 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-378 9 Austin TX 9533 SOUTHWESTERN BELL 558      
512-401 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-401 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-401 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-401 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-401 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-401 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-401 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-401 9 Austin TX 9533 SOUTHWESTERN BELL 558      
512-506 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-506 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-506 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-506 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-506 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-506 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-506 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-506 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-506 9 Austin TX 9533 SOUTHWESTERN BELL 558      
512-782 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-918 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-996 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-996 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-996 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-996 9 Austin TX 9533 SOUTHWESTERN BELL 558      

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

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