Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: PHNZAZDMDS3

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
623-792 6 Phoenix AZ 7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 666      
623-792 9 Phoenix AZ 7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 666      
928-254 6 Sedona AZ 7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 666   2015-03-05   
928-379 8 Prescott AZ 7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 666   2014-01-07   
928-482 A Gila Bend AZ 7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 666      
928-482 1 Gila Bend AZ 7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 666      
928-679 6 Flagstaff AZ 7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 666   2013-06-16   
928-723 8 Yuma AZ 7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 666   2014-07-10   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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