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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
775-344 8 Yerington NV 792K CHARTER IP ENABLED SERVICES, LLC 720   2018-09-04   
775-392 A Gardnerville NV 792K CHARTER IP ENABLED SERVICES, LLC 720   2025-03-25   
775-392 0 Gardnerville NV 792K CHARTER IP ENABLED SERVICES, LLC 720   2007-04-09   
775-392 1 Gardnerville NV 792K CHARTER IP ENABLED SERVICES, LLC 720   2009-07-06   
775-392 2 Gardnerville NV 792K CHARTER IP ENABLED SERVICES, LLC 720   2010-01-06   
775-392 3 Gardnerville NV 792K CHARTER IP ENABLED SERVICES, LLC 720   2011-11-03   
775-392 4 Gardnerville NV 792K CHARTER IP ENABLED SERVICES, LLC 720   2013-10-01   
775-392 5 Gardnerville NV 792K CHARTER IP ENABLED SERVICES, LLC 720   2018-05-17   
775-392 6 Gardnerville NV 792K CHARTER IP ENABLED SERVICES, LLC 720   2020-02-09   
775-580 A Stateline NV 792K CHARTER IP ENABLED SERVICES, LLC 720   2025-03-25   
775-580 6 Stateline NV 792K CHARTER IP ENABLED SERVICES, LLC 720   2011-03-31   
775-580 7 Stateline NV 792K CHARTER IP ENABLED SERVICES, LLC 720   2008-03-04   
775-749 2 Glenbrook NV 792K CHARTER IP ENABLED SERVICES, LLC 720   2009-11-15   

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

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