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: 335

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-335 A Sierra Vista AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668      
520-335 0 Sierra Vista AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2013-03-22   
520-335 1 Sierra Vista AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2011-09-15   
520-335 2 Sierra Vista AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2009-12-14   
520-335 3 Sierra Vista AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2014-10-30   
520-335 4 Sierra Vista AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-02-07   
520-335 5 Sierra Vista AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2009-12-15   
520-335 6 Sierra Vista AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2009-04-16   
520-335 7 Sierra Vista AZ TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2010-03-11   
520-335 8 Sierra Vista AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2011-01-06   
520-335 9 Sierra Vista AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2012-05-22   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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