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: 714 [Rate centres in NPA 714] [Dial plan for NPA 714]

NXX: 623

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
714-623 A Santa Ana CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
714-623 0 Santa Ana CA   6529 T-MOBILE USA, INC. 730      
714-623 1 Santa Ana CA   6529 T-MOBILE USA, INC. 730      
714-623 2 Santa Ana CA   6529 T-MOBILE USA, INC. 730      
714-623 3 Santa Ana CA   6529 T-MOBILE USA, INC. 730      
714-623 4 Santa Ana CA   6529 T-MOBILE USA, INC. 730      
714-623 5 Santa Ana CA   6529 T-MOBILE USA, INC. 730      
714-623 6 Santa Ana CA   6529 T-MOBILE USA, INC. 730      
714-623 7 Santa Ana CA   981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-02-06   
714-623 8 Santa Ana CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-04-07   
714-623 9 Santa Ana CA   899D METROPCS NETWORKS, LLC 730   2005-04-30   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.