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: 657

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
714-657 A Westminster CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
714-657 0 Westminster CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
714-657 1 Westminster CA IRVECAJTDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
714-657 2 Westminster CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
714-657 3 Westminster CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
714-657 4 Westminster CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
714-657 5 Westminster CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
714-657 6 Westminster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
714-657 7 Westminster CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
714-657 8 Westminster CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
714-657 9 Westminster CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.