Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 602 [Rate centres in NPA 602] [Dial plan for NPA 602]

NXX: 742

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
602-742 A Phoenix AZ PHNDAZ91DS5  3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666      
602-742 0 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-11-23   
602-742 1 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-11-23   
602-742 2 Phoenix AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2020-11-19   
602-742 3 Phoenix AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2020-11-19   
602-742 4 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-11-23   
602-742 5 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-11-23   
602-742 6 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-11-23   
602-742 7 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-11-23   
602-742 8 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-11-23   
602-742 9 Phoenix AZ   630E ONVOY, LLC - AZ 666   2020-11-23   

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

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