Local Calling Guide

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Tucson, AZ

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
520-990 7 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-990 8 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-990 9 TCSMAZOI3MD  5562 METROPCS, INC. 668      
520-991 A TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-991 0 TCSMAZOI3MD  5562 METROPCS, INC. 668      
520-991 1 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-991 2 TCSMAZOI3MD  5562 METROPCS, INC. 668   2004-08-12   
520-991 3 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-991 4 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-991 5 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-991 6 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-991 7 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668      
520-991 8 TCSMAZOI3MD  5562 METROPCS, INC. 668      
520-991 9 TCSMAZOI3MD  5562 METROPCS, INC. 668      
520-999 A TCSNAZMAXHX  630E ONVOY, LLC - AZ 668      
520-999 0 TCSMAZCH1MD  6010 NEW CINGULAR WIRELESS PCS, LLC 668   2013-03-01   
520-999 1 TCSNAZXGAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 668   2013-10-17   
520-999 2 TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2013-10-17   
520-999 3 TCSNAZMAVMD  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 668   2013-10-17   
520-999 4 TCSNAZXGDS0  7465 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AZ 668   2013-10-17   
520-999 5 TCSMAZOI3MD  6529 T-MOBILE USA, INC. 668   2014-08-27   
520-999 6 TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2013-01-04   
520-999 7 TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2013-01-04   
520-999 8 TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2013-01-04   
520-999 9 TCSNAZMAXHX  630E ONVOY, LLC - AZ 668   2013-01-04   

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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