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: AUSTTXHODS0

Remotes:

Switch Switch name Switch type
AUSTTXCVRS1  AUSTIN  ORM 
AUSTTXLTRS0  Lake Travis  5ER 
AUSTTXMCRS1  AUSTIN  ORM 
AUSTTXTWRS1  AUSTIN  ORM 

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-706 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-706 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-706 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-706 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-706 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-706 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-706 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-706 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-782 1 Austin TX 9533 SOUTHWESTERN BELL 558   2001-02-16   
512-782 3 Austin TX 9533 SOUTHWESTERN BELL 558   2001-02-16   
512-782 5 Austin TX 9533 SOUTHWESTERN BELL 558   2001-02-16   
512-782 6 Austin TX 9533 SOUTHWESTERN BELL 558   2001-02-16   
512-782 7 Austin TX 9533 SOUTHWESTERN BELL 558   2001-02-16   
512-838 2 Austin TX 9533 SOUTHWESTERN BELL 558      
737-867 6 Austin TX 9533 SOUTHWESTERN BELL 558   2016-12-26   
737-867 7 Austin TX 9533 SOUTHWESTERN BELL 558   2016-12-26   
737-867 8 Austin TX 9533 SOUTHWESTERN BELL 558   2016-12-26   

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Last updated: Tue, 15 Nov 2022 00:10:00 UTC

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