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: 397

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
619-397 A Chula Vista CA CHVSCA12DS0  9740 PACIFIC BELL 732      
619-397 0 Chula Vista CA CHVSCA12DS0  9740 PACIFIC BELL 732      
619-397 1 Chula Vista CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2005-07-14   
619-397 2 Chula Vista CA CHVSCA12DS0  9740 PACIFIC BELL 732      
619-397 3 Chula Vista CA CHVSCA12DS0  9740 PACIFIC BELL 732      
619-397 4 Chula Vista CA CHVSCA12DS0  9740 PACIFIC BELL 732      
619-397 5 Chula Vista CA CHVSCA12DS0  9740 PACIFIC BELL 732      
619-397 6 Chula Vista CA CHVSCA12DS0  9740 PACIFIC BELL 732      
619-397 7 Chula Vista CA CHVSCA12DS0  9740 PACIFIC BELL 732      
619-397 8 Chula Vista CA ESCNCAKY2MD  6529 T-MOBILE USA, INC. 732   2004-01-30   
619-397 9 Chula Vista CA ESCNCAKY2MD  5562 METROPCS, INC. 732   2004-03-28   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.