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: SBNDIN01X6X

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
574-999 3 South Bend IN 097D ONVOY, LLC - IN 332   2017-09-21   
574-999 4 South Bend IN 097D ONVOY, LLC - IN 332   2017-09-21   
574-999 7 South Bend IN 097D ONVOY, LLC - IN 332   2017-04-10   
574-999 9 South Bend IN 097D ONVOY, LLC - IN 332   2017-04-10   

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Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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