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.

Switch: SNDGCA0268Z

<< 1 2 3 4 5 6 7 8 9 10 11 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
858-312 8 Rancho Bernardo CA 318J COMCAST IP PHONE, LLC 732   2008-03-22   
858-345 A Del Mar CA 318J COMCAST IP PHONE, LLC 732      
858-345 1 Del Mar CA 318J COMCAST IP PHONE, LLC 732      
858-352 4 La Jolla CA 318J COMCAST IP PHONE, LLC 732   2014-07-05   
858-371 A Rancho Penasquitos CA 318J COMCAST IP PHONE, LLC 732      
858-371 6 Rancho Penasquitos CA 318J COMCAST IP PHONE, LLC 732      
858-376 6 Rancho Bernardo CA 318J COMCAST IP PHONE, LLC 732   2015-06-25   
858-376 8 Rancho Bernardo CA 318J COMCAST IP PHONE, LLC 732   2015-10-20   
858-397 A San Diego: Mira Mesa DA CA 318J COMCAST IP PHONE, LLC 732      
858-397 1 San Diego: Mira Mesa DA CA 318J COMCAST IP PHONE, LLC 732      
858-397 6 San Diego: Mira Mesa DA CA 318J COMCAST IP PHONE, LLC 732   2011-06-13   
858-412 8 La Jolla CA 318J COMCAST IP PHONE, LLC 732   2008-08-09   
858-429 7 San Diego: Linda Vista DA CA 318J COMCAST IP PHONE, LLC 732   2008-09-04   
858-436 7 Del Mar CA 318J COMCAST IP PHONE, LLC 732   2007-08-02   
858-500 7 La Jolla CA 318J COMCAST IP PHONE, LLC 732   2012-08-03   
858-500 8 La Jolla CA 318J COMCAST IP PHONE, LLC 732   2012-07-13   
858-524 1 Rancho Bernardo CA 318J COMCAST IP PHONE, LLC 732   2017-10-23   
858-536 0 San Diego: Mira Mesa DA CA 318J COMCAST IP PHONE, LLC 732   2014-05-02   
858-609 5 San Diego: Linda Vista DA CA 318J COMCAST IP PHONE, LLC 732   2009-03-30   
858-634 A San Diego: Linda Vista DA CA 318J COMCAST IP PHONE, LLC 732      
858-634 1 San Diego: Linda Vista DA CA 318J COMCAST IP PHONE, LLC 732   2007-06-12   
858-634 4 San Diego: Linda Vista DA CA 318J COMCAST IP PHONE, LLC 732   2006-10-26   
858-634 5 San Diego: Linda Vista DA CA 318J COMCAST IP PHONE, LLC 732      
858-634 7 San Diego: Linda Vista DA CA 318J COMCAST IP PHONE, LLC 732   2006-12-04   
858-634 8 San Diego: Linda Vista DA CA 318J COMCAST IP PHONE, LLC 732   2007-06-12   
858-649 2 Rancho Bernardo CA 318J COMCAST IP PHONE, LLC 732   2012-07-13   
858-704 4 Del Mar CA 318J COMCAST IP PHONE, LLC 732   2011-12-18   
858-751 3 San Diego: Linda Vista DA CA 318J COMCAST IP PHONE, LLC 732   2009-03-30   
858-752 6 La Jolla CA 318J COMCAST IP PHONE, LLC 732      
858-768 A La Jolla CA 318J COMCAST IP PHONE, LLC 732      
858-768 6 La Jolla CA 318J COMCAST IP PHONE, LLC 732   2006-11-22   
858-769 7 San Diego: Linda Vista DA CA 318J COMCAST IP PHONE, LLC 732   2008-05-22   
858-769 8 San Diego: Linda Vista DA CA 318J COMCAST IP PHONE, LLC 732   2008-05-22   
858-798 9 Rancho Bernardo CA 318J COMCAST IP PHONE, LLC 732   2010-09-17   
858-800 5 San Diego: Mira Mesa DA CA 318J COMCAST IP PHONE, LLC 732   2012-05-24   
858-800 6 San Diego: Mira Mesa DA CA 318J COMCAST IP PHONE, LLC 732   2012-09-05   
858-810 4 San Diego: Linda Vista DA CA 318J COMCAST IP PHONE, LLC 732   2009-03-30   
858-810 7 San Diego: Linda Vista DA CA 318J COMCAST IP PHONE, LLC 732   2009-03-30   
858-810 8 San Diego: Linda Vista DA CA 318J COMCAST IP PHONE, LLC 732   2012-06-13   
858-832 A Rancho Santa Fe CA 318J COMCAST IP PHONE, LLC 732      
858-832 1 Rancho Santa Fe CA 318J COMCAST IP PHONE, LLC 732      
858-832 7 Rancho Santa Fe CA 318J COMCAST IP PHONE, LLC 732   2013-11-10   
858-832 8 Rancho Santa Fe CA 318J COMCAST IP PHONE, LLC 732   2007-07-03   
858-836 7 San Diego: Linda Vista DA CA 318J COMCAST IP PHONE, LLC 732   2010-06-30   
858-836 8 San Diego: Linda Vista DA CA 318J COMCAST IP PHONE, LLC 732   2008-06-30   
858-842 A Poway CA 318J COMCAST IP PHONE, LLC 732      
858-842 1 Poway CA 318J COMCAST IP PHONE, LLC 732      
858-842 2 Poway CA 318J COMCAST IP PHONE, LLC 732   2005-06-06   
858-842 3 Poway CA 318J COMCAST IP PHONE, LLC 732   2005-02-10   
858-842 4 Poway CA 318J COMCAST IP PHONE, LLC 732   2006-06-15   

<< 1 2 3 4 5 6 7 8 9 10 11 >>

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.