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      
512-241 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-241 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-241 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-241 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-241 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-241 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-241 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-241 8 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      
512-344 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-344 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-344 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-344 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-344 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-344 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-344 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-344 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-344 8 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      
512-418 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-418 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-418 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-418 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-418 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-418 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-418 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-418 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-418 9 Austin TX 9533 SOUTHWESTERN BELL 558      
512-425 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-425 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-425 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-425 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-425 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-425 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-425 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-425 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-425 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-425 9 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      
512-475 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-475 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-475 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-475 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-475 4 Austin TX 9533 SOUTHWESTERN BELL 558      
512-475 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-475 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-475 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-475 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-475 9 Austin TX 9533 SOUTHWESTERN BELL 558      
512-502 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-502 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-502 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-502 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-502 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-502 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-502 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-502 9 Austin TX 9533 SOUTHWESTERN BELL 558      
512-514 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-514 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-514 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-514 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-514 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-514 9 Austin TX 9533 SOUTHWESTERN BELL 558      
512-527 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-527 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-527 1 Austin TX 9533 SOUTHWESTERN BELL 558      
512-527 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-527 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-527 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-527 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-527 9 Austin TX 9533 SOUTHWESTERN BELL 558      
512-623 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-623 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-794 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-795 A Austin TX 9533 SOUTHWESTERN BELL 558      
512-795 0 Austin TX 9533 SOUTHWESTERN BELL 558      
512-795 2 Austin TX 9533 SOUTHWESTERN BELL 558      
512-795 3 Austin TX 9533 SOUTHWESTERN BELL 558      
512-795 5 Austin TX 9533 SOUTHWESTERN BELL 558      
512-795 6 Austin TX 9533 SOUTHWESTERN BELL 558      
512-795 7 Austin TX 9533 SOUTHWESTERN BELL 558      
512-795 8 Austin TX 9533 SOUTHWESTERN BELL 558      
512-795 9 Austin TX 9533 SOUTHWESTERN BELL 558      
512-936 A Austin TX 9533 SOUTHWESTERN BELL 558      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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