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: 310

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
619-310 A San Diego: San Diego DA CA SNDGCAJWBMD  996H AIRESPRING, INC. 732      
619-310 0 San Diego: San Diego DA CA SNDGCAJWBMD  996H AIRESPRING, INC. 732   2018-06-22   
619-310 1 San Diego: San Diego DA CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2019-01-31   
619-310 2 San Diego: San Diego DA CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2019-02-18   
619-310 3 San Diego: San Diego DA CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2019-02-28   
619-310 4 San Diego: San Diego DA CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2019-03-11   
619-310 5 San Diego: San Diego DA CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2018-08-01   
619-310 6 San Diego: San Diego DA CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2018-08-01   
619-310 7 San Diego: San Diego DA CA SNDICAETAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2019-03-31   
619-310 8 San Diego: San Diego DA CA SNDGCADV1MD  5562 METROPCS, INC. 732   2018-11-04   
619-310 9 San Diego: San Diego DA CA SNDGCA02XSZ  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 732   2018-11-04   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.