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: AUSTTXFIDS0

Remotes:

Switch Switch name Switch type
AUSTTXCFRS0  AUSTIN  ORM 
AUSTTXFARS1  AUSTIN  ORM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
512-231 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-241 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-242 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-338 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-340 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-342 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-343 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-344 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-345 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-346 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-349 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-372 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-418 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-425 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-427 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-463 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-475 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-502 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-514 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-527 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-623 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-794 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-795 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-936 A Austin TX 9533 SOUTHWESTERN BELL 558      

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

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