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: SXCYIADTKMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
402-508 3 South Sioux City NE 7144 TELEPORT COMMUNICATIONS AMERICA, LLC - NE 630      
605-308 5 North Sioux City SD 693G TELEPORT COMMUNICATIONS AMERICA SD-LLC 630      
712-291 4 Storm Lake IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 630      
712-321 8 Cherokee IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 630      
712-380 6 Estherville IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 630      
712-454 A Sioux City IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 630      
712-454 6 Sioux City IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 630      
712-539 4 Le Mars IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 630      
712-584 7 Spencer IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 630      
712-631 8 Sheldon IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 630      
712-759 6 Spirit Lake IA 8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 630      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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