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: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]

NXX: 825

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-825 A Anaheim CA   6529 T-MOBILE USA, INC. 730   2024-08-25   
657-825 0 Anaheim CA   6529 T-MOBILE USA, INC. 730   2024-08-25   
657-825 1 Anaheim CA   6529 T-MOBILE USA, INC. 730   2024-08-25   
657-825 2 Anaheim CA   6529 T-MOBILE USA, INC. 730   2024-08-25   
657-825 3 Anaheim CA   6529 T-MOBILE USA, INC. 730   2024-08-25   
657-825 4 Anaheim CA   6529 T-MOBILE USA, INC. 730   2024-08-25   
657-825 5 Anaheim CA   6529 T-MOBILE USA, INC. 730   2024-08-25   
657-825 6 Anaheim CA   6529 T-MOBILE USA, INC. 730   2024-08-25   
657-825 7 Anaheim CA   6529 T-MOBILE USA, INC. 730   2024-08-25   
657-825 8 Anaheim CA   6529 T-MOBILE USA, INC. 730   2024-08-25   
657-825 9 Anaheim CA   6529 T-MOBILE USA, INC. 730   2024-08-25   

Last updated: Sun, 06 Oct 2024 02:51:32 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.