Local Calling Guide

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NPA: 520 [Rate centres in NPA 520] [Dial plan for NPA 520]

NXX: 495

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-495 A Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668      
520-495 0 Tucson AZ TCSNAZEA5MD  7184 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - AZ 668   2005-09-17   
520-495 1 Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668      
520-495 2 Tucson AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2005-07-11   
520-495 3 Tucson AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2005-07-11   
520-495 4 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2005-08-17   
520-495 5 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2005-08-17   
520-495 6 Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668      
520-495 7 Tucson AZ TCSMAZSJAMD  7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 668   2005-11-03   
520-495 8 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2006-01-05   
520-495 9 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2006-03-05   

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

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