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: DVNPIADTX5X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
563-219 A Clinton IA 985E BANDWIDTH.COM CLEC, LLC - IA 634      
563-447 A Walcott IA 985E BANDWIDTH.COM CLEC, LLC - IA 634      
563-484 A Davenport IA 985E BANDWIDTH.COM CLEC, LLC - IA 634      
563-748 A Maquoketa IA 985E BANDWIDTH.COM CLEC, LLC - IA 634      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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