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.
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Switch: TCSMAZCH00Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
520-641 3 Benson AZ 490J DISH WIRELESS, LLC 668      
520-654 6 Sierra Vista AZ 490J DISH WIRELESS, LLC 668      
520-675 A Tucson AZ 490J DISH WIRELESS, LLC 668      
520-675 9 Tucson AZ 490J DISH WIRELESS, LLC 668      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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