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: 858

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-858 A Casa Grande AZ CSGRAZMADS0  9636 QWEST CORPORATION 666      
520-858 0 Casa Grande AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2008-07-28   
520-858 1 Casa Grande AZ PHNXAZMACM6  6010 NEW CINGULAR WIRELESS PCS, LLC 666   2010-01-21   
520-858 2 Casa Grande AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2011-02-15   
520-858 3 Casa Grande AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2011-09-29   
520-858 4 Casa Grande AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2011-02-05   
520-858 5 Casa Grande AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2010-03-20   
520-858 6 Casa Grande AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2010-05-08   
520-858 7 Casa Grande AZ CSGRAZMADS0  9636 QWEST CORPORATION 666   2007-12-07   
520-858 8 Casa Grande AZ CSGRAZMADS0  9636 QWEST CORPORATION 666   2007-12-07   
520-858 9 Casa Grande AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666   2010-01-08   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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