Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
602-792 8 Phoenix AZ   666      
602-792 9 Phoenix AZ   666      
602-931 4 Phoenix AZ   666   2007-03-09   
623-385 A Phoenix AZ PHNZAZDMDS3  666      
623-385 0 Phoenix AZ   666      
623-385 1 Phoenix AZ   666      
623-385 3 Phoenix AZ   666      
623-385 4 Phoenix AZ   666      
623-385 7 Phoenix AZ   666      
623-792 A Phoenix AZ PHNZAZDMDS3  666      
623-792 1 Phoenix AZ   666      
623-792 2 Phoenix AZ   666      
623-792 6 Phoenix AZ   666      
623-792 9 Phoenix AZ   666      
928-254 6 Sedona AZ   666   2015-03-05   
928-379 8 Prescott AZ   666   2014-01-07   
928-482 A Gila Bend AZ PHNZAZDMDS3  666      
928-482 1 Gila Bend AZ   666      
928-679 6 Flagstaff AZ   666   2013-06-16   
928-723 8 Yuma AZ   666   2014-07-10   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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