Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: TCSNAZMAXEY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
520-300 7 Tucson AZ 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668   2007-09-16   
520-300 8 Tucson AZ 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668   2007-09-16   
520-306 3 Tucson AZ 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668   2009-06-18   
520-306 4 Tucson AZ 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668   2009-06-18   
520-306 5 Tucson AZ 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668   2009-06-18   
520-333 A Tucson AZ 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668      
520-333 1 Tucson AZ 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668   2011-02-14   
520-333 2 Tucson AZ 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668   2011-02-14   
520-333 3 Tucson AZ 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668   2011-02-14   
520-342 5 Tucson AZ 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668   2008-05-25   
520-395 3 Tucson AZ 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668   2008-05-25   
520-395 4 Tucson AZ 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668   2008-05-25   
520-477 A Tucson AZ 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668      
520-477 5 Tucson AZ 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 668   2011-10-30   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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