Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]

NXX: 588

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-588 A Cascabel AZ TCSMAZCHDMD  965H FRACTEL, LLC 668      
520-588 5 Cascabel AZ   145J TERRA NOVA TELECOM INC. 668   2025-07-20   
520-588 8 Cascabel AZ TCSMAZCHDMD  965H FRACTEL, LLC 668   2020-11-22   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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