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.
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Switch: ANHMCA01XEY

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
909-961 2 Rialto CA 516C AT&T CORP. 730   2006-06-30   
909-990 5 Rialto CA 516C AT&T CORP. 730   2014-03-05   
949-264 6 Trabuco CA 516C AT&T CORP. 730   2006-06-30   
949-273 3 Saddleback Valley CA 516C AT&T CORP. 730   2005-04-08   
949-287 6 Newport Beach CA 516C AT&T CORP. 730   2006-06-30   
949-328 9 Saddleback Valley CA 516C AT&T CORP. 730   2011-06-13   
949-441 7 Capistrano Valley CA 516C AT&T CORP. 730   2011-07-01   
949-446 8 Saddleback Valley CA 516C AT&T CORP. 730   2014-06-13   
949-536 A Irvine CA 516C AT&T CORP. 730      
949-536 5 Irvine CA 516C AT&T CORP. 730   2014-04-19   
949-545 7 Capistrano Valley CA 516C AT&T CORP. 730   2006-07-07   
949-558 5 Capistrano Valley CA 516C AT&T CORP. 730   2014-09-16   
949-566 2 Newport Beach CA 516C AT&T CORP. 730   2016-11-19   
949-625 3 Rancho Viejo CA 516C AT&T CORP. 730   2006-06-30   
949-635 8 Trabuco CA 516C AT&T CORP. 730   2014-08-26   
949-652 A Saddleback Valley CA 516C AT&T CORP. 730      
949-652 5 Saddleback Valley CA 516C AT&T CORP. 730   2016-07-11   
949-873 5 Newport Beach CA 516C AT&T CORP. 730   2014-05-16   
949-932 0 Irvine CA 516C AT&T CORP. 730      
951-268 6 Corona CA 516C AT&T CORP. 730   2009-10-22   
951-289 9 Riverside CA 516C AT&T CORP. 730   2010-08-16   
951-299 7 Arlington CA 516C AT&T CORP. 730   2011-10-23   
951-356 5 Corona CA 516C AT&T CORP. 730   2011-07-27   
951-394 8 Riverside CA 516C AT&T CORP. 730   2014-08-18   
951-427 A Corona CA 516C AT&T CORP. 730      
951-427 3 Corona CA 516C AT&T CORP. 730   2006-08-04   
951-427 5 Corona CA 516C AT&T CORP. 730   2010-04-06   
951-429 A Woodcrest CA 516C AT&T CORP. 730      
951-429 7 Woodcrest CA 516C AT&T CORP. 730   2015-06-13   
951-432 7 Corona CA 516C AT&T CORP. 730   2014-07-21   
951-433 2 Temescal Canyon CA 516C AT&T CORP. 730   2017-02-12   
951-456 0 Mira Loma CA 516C AT&T CORP. 730   2015-04-21   
951-475 1 Corona CA 516C AT&T CORP. 730   2015-09-16   
951-525 3 Arlington CA 516C AT&T CORP. 730   2010-03-23   
951-602 2 Arlington CA 516C AT&T CORP. 730   2016-11-19   
951-638 5 Temescal Canyon CA 516C AT&T CORP. 730   2006-06-30   
951-729 6 Arlington CA 516C AT&T CORP. 730   2006-06-30   
951-742 5 Riverside CA 516C AT&T CORP. 730   2006-06-30   
951-772 0 Arlington CA 516C AT&T CORP. 730   2015-05-26   
951-776 8 Woodcrest CA 516C AT&T CORP. 730   2006-06-30   
951-893 1 Corona CA 516C AT&T CORP. 730   2010-09-21   
951-934 3 Mira Loma CA 516C AT&T CORP. 730   2007-09-14   

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Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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