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: FTWYINXASMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
574-566 5 Claypool IN 097D ONVOY, LLC - IN 334   2014-10-22   
574-566 7 Claypool IN 097D ONVOY, LLC - IN 334   2013-04-18   
574-566 8 Claypool IN 097D ONVOY, LLC - IN 334   2015-07-29   
574-566 9 Claypool IN 097D ONVOY, LLC - IN 334   2018-06-24   
574-766 4 Claypool IN 097D ONVOY, LLC - IN 334   2020-11-02   
574-766 5 Claypool IN 097D ONVOY, LLC - IN 334   2020-11-02   
574-766 6 Claypool IN 097D ONVOY, LLC - IN 334   2020-06-29   
574-766 7 Claypool IN 097D ONVOY, LLC - IN 334   2020-06-29   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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