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: 619 [Rate centres in NPA 619] [Dial plan for NPA 619]

NXX: 710

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
619-710 A Chula Vista CA OTMSCA11DS0  9740 PACIFIC BELL 732      
619-710 0 Chula Vista CA OTMSCA11DS0  9740 PACIFIC BELL 732      
619-710 1 Chula Vista CA OTMSCA11DS0  9740 PACIFIC BELL 732      
619-710 2 Chula Vista CA OTMSCA11DS0  9740 PACIFIC BELL 732      
619-710 3 Chula Vista CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2004-03-28   
619-710 4 Chula Vista CA OTMSCA11DS0  9740 PACIFIC BELL 732   2002-12-02   
619-710 5 Chula Vista CA ESCNCAKYGT0  5562 METROPCS, INC. 732   2004-01-18   
619-710 6 Chula Vista CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2004-01-18   
619-710 7 Chula Vista CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2004-03-28   
619-710 8 Chula Vista CA OTMSCA11DS0  9740 PACIFIC BELL 732      
619-710 9 Chula Vista CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2006-08-14   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.