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: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
619-450 A San Diego: San Diego DA CA SNDGCA060MD  478A DMR COMMUNICATIONS INC. - CA 732      
619-450 0 San Diego: San Diego DA CA SNDGCA060MD  478A DMR COMMUNICATIONS INC. - CA 732   2007-04-05   
619-450 1 San Diego: San Diego DA CA SNDACAGLDS2  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2007-12-13   
619-450 2 San Diego: San Diego DA CA SNDJCA05DS3  7262 XO CALIFORNIA, INC. 732   2007-12-15   
619-450 3 San Diego: San Diego DA CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2008-01-20   
619-450 4 San Diego: San Diego DA CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2008-03-03   
619-450 5 San Diego: San Diego DA CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2007-12-28   
619-450 6 San Diego: San Diego DA CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2008-03-04   
619-450 7 San Diego: San Diego DA CA SNDGCA0268Z  318J COMCAST IP PHONE, LLC 732   2008-02-03   
619-450 8 San Diego: San Diego DA CA SNDICAETDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 732   2007-12-15   
619-450 9 San Diego: San Diego DA CA ESCNCAKYGT0  6529 T-MOBILE USA, INC. 732   2013-11-12   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.