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.

NPA: 563 [Rate centres in NPA 563] [Dial plan for NPA 563]

NXX: 635

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-635 A Le Claire IA LCLRIAXOPS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      
563-635 1 Le Claire IA   624H ONVOY SPECTRUM, LLC 634      
563-635 3 Le Claire IA DVNPIADTGMD  221F ONVOY, LLC - IA 634      
563-635 5 Le Claire IA DVNPIADTGMD  221F ONVOY, LLC - IA 634      
563-635 6 Le Claire IA DVNPIADTGMD  221F ONVOY, LLC - IA 634      
563-635 7 Le Claire IA   9877 LEVEL 3 COMMUNICATIONS, LLC - IA 634      
563-635 9 Le Claire IA LCLRIAXOPS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 634      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.