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: EVVLINLW6MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
812-912 6 Jasper IN 732J NUSO, LLC 330   2025-02-20   
812-912 7 Jasper IN 732J NUSO, LLC 330   2025-02-20   
930-271 A Newburgh IN 732J NUSO, LLC 330      
930-271 1 Newburgh IN 732J NUSO, LLC 330   2023-03-23   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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