Local Calling Guide

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

NXX: 204

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-204 A Tucson AZ TCSNAZEA5MD  7184 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - AZ 668      
520-204 0 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2004-11-18   
520-204 1 Tucson AZ TCSNAZEA5MD  7184 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - AZ 668   2004-01-25   
520-204 2 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2004-08-06   
520-204 3 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2004-10-02   
520-204 4 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2004-10-02   
520-204 5 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2005-02-22   
520-204 6 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2005-02-22   
520-204 7 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2005-02-22   
520-204 8 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2005-03-19   
520-204 9 Tucson AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2005-03-19   

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

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