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: HGLYAZMADS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
480-279 A Phoenix AZ 9636 QWEST CORPORATION 666      
480-384 1 Phoenix AZ 9636 QWEST CORPORATION 666      
480-384 6 Phoenix AZ 9636 QWEST CORPORATION 666      
480-384 7 Phoenix AZ 9636 QWEST CORPORATION 666      
480-457 8 Phoenix AZ 9636 QWEST CORPORATION 666      
480-506 4 Phoenix AZ 9636 QWEST CORPORATION 666   2018-09-03   
480-506 5 Phoenix AZ 9636 QWEST CORPORATION 666   2018-09-03   
480-822 1 Phoenix AZ 9636 QWEST CORPORATION 666   2009-10-09   
480-822 5 Phoenix AZ 9636 QWEST CORPORATION 666   2009-10-09   
480-840 3 Phoenix AZ 9636 QWEST CORPORATION 666      
480-840 6 Phoenix AZ 9636 QWEST CORPORATION 666      
480-840 9 Phoenix AZ 9636 QWEST CORPORATION 666      
480-988 A Phoenix AZ 9636 QWEST CORPORATION 666      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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