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: 254

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
520-254 A Willcox AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668      
520-254 0 Willcox AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2008-05-08   
520-254 1 Willcox AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2015-01-23   
520-254 2 Willcox AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2005-09-16   
520-254 3 Willcox AZ TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2008-03-04   
520-254 4 Willcox AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2005-01-30   
520-254 5 Willcox AZ TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2008-04-28   
520-254 6 Willcox AZ TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2007-05-26   
520-254 7 Willcox AZ TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2006-09-17   
520-254 8 Willcox AZ TCSNAZXGDS0  7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2015-03-20   
520-254 9 Willcox AZ   5562 METROPCS, INC. 668   2004-07-08   

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

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