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: ATLTIATCDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-243 A Atlantic IA 9631 QWEST CORPORATION 644      
712-243 1 Atlantic IA 9631 QWEST CORPORATION 644      
712-243 2 Atlantic IA 9631 QWEST CORPORATION 644      
712-243 3 Atlantic IA 9631 QWEST CORPORATION 644      
712-243 4 Atlantic IA 9631 QWEST CORPORATION 644      
712-243 5 Atlantic IA 9631 QWEST CORPORATION 644      
712-243 6 Atlantic IA 9631 QWEST CORPORATION 644      
712-243 7 Atlantic IA 9631 QWEST CORPORATION 644      
712-243 8 Atlantic IA 9631 QWEST CORPORATION 644      
712-243 9 Atlantic IA 9631 QWEST CORPORATION 644      

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

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