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: PHNXAZMAX3X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
480-245 A Phoenix AZ 7421 AT&T LOCAL 666      
480-245 1 Phoenix AZ 7421 AT&T LOCAL 666   2009-04-17   
480-245 2 Phoenix AZ 7421 AT&T LOCAL 666   2009-04-17   
480-327 1 Phoenix AZ 7421 AT&T LOCAL 666   2009-12-21   
480-327 2 Phoenix AZ 7421 AT&T LOCAL 666   2009-12-21   
480-327 3 Phoenix AZ 7421 AT&T LOCAL 666   2009-12-21   
480-353 A Phoenix AZ 7421 AT&T LOCAL 666      
480-353 3 Phoenix AZ 7421 AT&T LOCAL 666   2005-07-02   
480-353 4 Phoenix AZ 7421 AT&T LOCAL 666   2005-07-02   
480-353 5 Phoenix AZ 7421 AT&T LOCAL 666   2005-07-02   
480-397 8 Phoenix AZ 7421 AT&T LOCAL 666   2012-09-14   
480-629 A Phoenix AZ 7421 AT&T LOCAL 666      
480-629 0 Phoenix AZ 7421 AT&T LOCAL 666      
480-629 1 Phoenix AZ 7421 AT&T LOCAL 666      
480-629 2 Phoenix AZ 7421 AT&T LOCAL 666      
480-629 3 Phoenix AZ 7421 AT&T LOCAL 666      
480-629 6 Phoenix AZ 7421 AT&T LOCAL 666      
480-629 7 Phoenix AZ 7421 AT&T LOCAL 666      
480-629 9 Phoenix AZ 7421 AT&T LOCAL 666      
480-765 A Phoenix AZ 7421 AT&T LOCAL 666      
480-765 5 Phoenix AZ 7421 AT&T LOCAL 666   2015-02-21   
480-765 6 Phoenix AZ 7421 AT&T LOCAL 666   2015-02-21   
480-999 8 Phoenix AZ 7421 AT&T LOCAL 666   2012-06-11   
602-293 A Phoenix AZ 7421 AT&T LOCAL 666      
602-293 0 Phoenix AZ 7421 AT&T LOCAL 666      
602-293 1 Phoenix AZ 7421 AT&T LOCAL 666      
602-293 2 Phoenix AZ 7421 AT&T LOCAL 666      
602-293 4 Phoenix AZ 7421 AT&T LOCAL 666      
602-293 5 Phoenix AZ 7421 AT&T LOCAL 666      
602-293 9 Phoenix AZ 7421 AT&T LOCAL 666      
623-228 A Phoenix AZ 7421 AT&T LOCAL 666      
623-293 A Phoenix AZ 7421 AT&T LOCAL 666      
623-293 4 Phoenix AZ 7421 AT&T LOCAL 666      
623-293 5 Phoenix AZ 7421 AT&T LOCAL 666      
623-293 9 Phoenix AZ 7421 AT&T LOCAL 666      
928-638 5 Grand Canyon AZ 7421 AT&T LOCAL 666   2004-04-30   
928-785 1 Yuma AZ 7421 AT&T LOCAL 666   2005-10-07   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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