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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 602 [Rate centres in NPA 602] [Dial plan for NPA 602]

NXX: 592

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
602-592 A Phoenix AZ PHNXAZMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 666      
602-592 0 Phoenix AZ   6010 NEW CINGULAR WIRELESS PCS, LLC 666   2012-06-09   
602-592 1 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2013-01-15   
602-592 2 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2013-01-15   
602-592 3 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2013-01-15   
602-592 4 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2013-01-15   
602-592 5 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2012-06-25   
602-592 6 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2012-06-25   
602-592 7 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2012-06-25   
602-592 8 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2012-06-25   
602-592 9 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2012-06-25   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.