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: 480 [Rate centres in NPA 480] [Dial plan for NPA 480]

NXX: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
480-277 A Phoenix AZ TEMPAZNR5MD  6529 T-MOBILE USA, INC. 666      
480-277 0 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2005-01-30   
480-277 1 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2005-01-30   
480-277 2 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2005-01-30   
480-277 3 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2005-01-30   
480-277 4 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2005-01-30   
480-277 5 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2005-01-30   
480-277 6 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2005-01-30   
480-277 7 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2005-01-30   
480-277 8 Phoenix AZ   5562 METROPCS, INC. 666   2005-02-12   
480-277 9 Phoenix AZ   6529 T-MOBILE USA, INC. 666   2005-01-30   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.