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.
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Switch: NBRNTXNBDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
830-221 A New Braunfels TX 9533 SOUTHWESTERN BELL 566      
830-606 A New Braunfels EMS TX 9533 SOUTHWESTERN BELL 566      
830-608 A New Braunfels TX 9533 SOUTHWESTERN BELL 566      
830-609 A New Braunfels EMS TX 9533 SOUTHWESTERN BELL 566      
830-620 A New Braunfels TX 9533 SOUTHWESTERN BELL 566      
830-624 A New Braunfels EMS TX 9533 SOUTHWESTERN BELL 566      
830-625 A New Braunfels TX 9533 SOUTHWESTERN BELL 566      
830-626 A New Braunfels TX 9533 SOUTHWESTERN BELL 566      
830-627 A New Braunfels TX 9533 SOUTHWESTERN BELL 566      
830-629 A New Braunfels TX 9533 SOUTHWESTERN BELL 566      
830-643 A New Braunfels TX 9533 SOUTHWESTERN BELL 566      
830-730 A New Braunfels TX 9533 SOUTHWESTERN BELL 566      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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