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: 741

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
619-741 A La Mesa CA SNDGCA0268Z  394L COMCAST PHONE OF CALIFORNIA, LLC 732      
619-741 0 La Mesa CA SNDGCA0268Z  394L COMCAST PHONE OF CALIFORNIA, LLC 732   2004-09-11   
619-741 1 La Mesa CA SNDGCA0268Z  394L COMCAST PHONE OF CALIFORNIA, LLC 732      
619-741 2 La Mesa CA SNDGCA0268Z  394L COMCAST PHONE OF CALIFORNIA, LLC 732      
619-741 3 La Mesa CA SNDGCA0268Z  394L COMCAST PHONE OF CALIFORNIA, LLC 732      
619-741 4 La Mesa CA SNDGCA0268Z  394L COMCAST PHONE OF CALIFORNIA, LLC 732      
619-741 5 La Mesa CA SNDGCA0268Z  394L COMCAST PHONE OF CALIFORNIA, LLC 732      
619-741 6 La Mesa CA SNDGCA0268Z  394L COMCAST PHONE OF CALIFORNIA, LLC 732      
619-741 7 La Mesa CA SNDGCA0268Z  394L COMCAST PHONE OF CALIFORNIA, LLC 732      
619-741 8 La Mesa CA SNDGCA0268Z  394L COMCAST PHONE OF CALIFORNIA, LLC 732   2003-07-21   
619-741 9 La Mesa CA SNDGCA0268Z  394L COMCAST PHONE OF CALIFORNIA, LLC 732   2003-10-16   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.