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: 937

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
619-937 A El Cajon CA SNDJCA05DS0  7262 XO CALIFORNIA, INC. 732      
619-937 0 El Cajon CA   7262 XO CALIFORNIA, INC. 732      
619-937 1 El Cajon CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 732   2006-03-09   
619-937 2 El Cajon CA   981E BANDWIDTH.COM CLEC, LLC - CA 732   2014-03-24   
619-937 3 El Cajon CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 732   2005-04-02   
619-937 4 El Cajon CA   7262 XO CALIFORNIA, INC. 732      
619-937 5 El Cajon CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2005-08-11   
619-937 6 El Cajon CA   7262 XO CALIFORNIA, INC. 732      
619-937 7 El Cajon CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2020-03-07   
619-937 8 El Cajon CA   6010 NEW CINGULAR WIRELESS PCS, LLC 732   2005-12-16   
619-937 9 El Cajon CA   7262 XO CALIFORNIA, INC. 732      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.