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: 505

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-505 A Tucson AZ TCSNAZ64NMD  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 668      
520-505 0 Tucson AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2009-10-04   
520-505 1 Tucson AZ TCSNAZMAXIX  587F BANDWIDTH.COM CLEC, LLC - AZ 668   2009-10-19   
520-505 2 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2010-06-16   
520-505 3 Tucson AZ TCSNAZ64NMD  7175 ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM 668   2009-09-03   
520-505 4 Tucson AZ TCSNAZMAXCY  318J COMCAST IP PHONE, LLC 668   2009-10-02   
520-505 5 Tucson AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2009-10-27   
520-505 6 Tucson AZ TCSNAZMAXGX  722E YMAX COMMUNICATIONS CORP. - AZ 668   2009-09-04   
520-505 7 Tucson AZ TCSNAZMAXGX  722E YMAX COMMUNICATIONS CORP. - AZ 668   2009-09-04   
520-505 8 Tucson AZ TCSNAZMAXGX  722E YMAX COMMUNICATIONS CORP. - AZ 668   2009-09-04   
520-505 9 Tucson AZ TCSNAZMAXGX  722E YMAX COMMUNICATIONS CORP. - AZ 668   2009-09-04   

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

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