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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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
563-926 6 Hopkinton IA 221F ONVOY, LLC - IA 635   2020-06-26   
563-926 8 Hopkinton IA 221F ONVOY, LLC - IA 635   2021-04-24   
563-928 3 Edgewood IA 221F ONVOY, LLC - IA 635   2021-05-07   
563-928 5 Edgewood IA 221F ONVOY, LLC - IA 635   2021-10-29   
563-932 0 Ryan IA 221F ONVOY, LLC - IA 635   2021-04-24   
563-932 4 Ryan IA 221F ONVOY, LLC - IA 635   2020-06-26   
563-932 6 Ryan IA 221F ONVOY, LLC - IA 635   2020-10-02   
563-932 8 Ryan IA 221F ONVOY, LLC - IA 635   2021-03-14   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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