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: UVLDTXUVDS0

Remotes:

Switch Switch name Switch type
BAVLTXBKRS0  BRACKETTVILLE  AXT 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
830-278 A Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-278 1 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-278 2 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-278 3 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-278 4 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-278 5 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-278 6 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-278 7 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-278 8 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-278 9 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-279 A Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-279 0 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-279 7 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-486 A Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-486 0 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-486 5 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-486 6 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-486 7 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-486 8 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-486 9 Uvalde TX 9533 SOUTHWESTERN BELL 566      
830-591 A Uvalde TX 9533 SOUTHWESTERN BELL 566      

Last updated: Tue, 07 Oct 2025 16:47:53 UTC

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