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: 373

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
619-373 A Chula Vista CA SNDGCA0239Z  508J CENTURYLINK COMMUNICATIONS LLC 732      
619-373 0 Chula Vista CA SNDGCA0255Z  073H TELNYX LLC 732   2017-03-24   
619-373 1 Chula Vista CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2013-07-01   
619-373 2 Chula Vista CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2013-09-05   
619-373 3 Chula Vista CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2013-07-25   
619-373 4 Chula Vista CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2013-09-30   
619-373 5 Chula Vista CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2013-09-17   
619-373 6 Chula Vista CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2013-06-06   
619-373 7 Chula Vista CA SNDGCA0239Z  508J CENTURYLINK COMMUNICATIONS LLC 732   2013-03-17   
619-373 8 Chula Vista CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2013-04-27   
619-373 9 Chula Vista CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2013-04-27   

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.