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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Cascabel, AZ

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
520-212 A CSELAZXCDS0  2226 MIDVALE TELEPHONE EXCHANGE, INC. 668      
520-588 A TCSMAZCHDMD  965H FRACTEL, LLC 668      
520-588 5   145J TERRA NOVA TELECOM INC. 668   2025-07-20   
520-588 8 TCSMAZCHDMD  965H FRACTEL, LLC 668   2020-11-22   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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