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: 204

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
563-204 A Lansing IA CDRRIADTX3X  073H TELNYX LLC 635      
563-204 0 Lansing IA   073H TELNYX LLC 635   2018-06-29   
563-204 1 Lansing IA   073H TELNYX LLC 635   2019-08-19   
563-204 2 Lansing IA   221F ONVOY, LLC - IA 635   2016-05-10   
563-204 3 Lansing IA   221F ONVOY, LLC - IA 635   2016-05-10   
563-204 4 Lansing IA   221F ONVOY, LLC - IA 635   2018-04-15   
563-204 5 Lansing IA   544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 635   2018-07-23   
563-204 6 Lansing IA   221F ONVOY, LLC - IA 635   2019-09-19   
563-204 7 Lansing IA   508J CENTURYLINK COMMUNICATIONS, LLC 635   2017-06-10   
563-204 8 Lansing IA   221F ONVOY, LLC - IA 635   2019-09-19   
563-204 9 Lansing IA   073H TELNYX LLC 635   2019-12-13   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.