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: 813

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
602-813 A Phoenix AZ PHNXAZMAXQX  587F BANDWIDTH.COM CLEC, LLC - AZ 666      
602-813 0 Phoenix AZ   587F BANDWIDTH.COM CLEC, LLC - AZ 666   2021-07-25   
602-813 1 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2021-07-30   
602-813 2 Phoenix AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2021-07-26   
602-813 3 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2021-07-30   
602-813 4 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2021-07-30   
602-813 5 Phoenix AZ   3285 LEVEL 3 COMMUNICATIONS, LLC - AZ 666   2021-07-26   
602-813 6 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2021-07-30   
602-813 7 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2021-07-30   
602-813 8 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2021-07-30   
602-813 9 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2021-07-30   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.