Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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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      
928-379 8 Prescott AZ 7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 666      
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      
928-723 8 Yuma AZ 7552 LEVEL 3 TELECOM OF ARIZONA, LLC - AZ 666      

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Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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