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: MDLKTXMLRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
830-612 A Medina Lake EMS TX 9533 SOUTHWESTERN BELL 566      
830-612 2 Medina Lake EMS TX 9533 SOUTHWESTERN BELL 566      
830-612 3 Medina Lake EMS TX 9533 SOUTHWESTERN BELL 566      
830-751 A Medina Lake TX 9533 SOUTHWESTERN BELL 566      
830-751 1 Medina Lake TX 9533 SOUTHWESTERN BELL 566      
830-751 2 Medina Lake TX 9533 SOUTHWESTERN BELL 566      
830-751 3 Medina Lake TX 9533 SOUTHWESTERN BELL 566      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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