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: 480 [Rate centres in NPA 480] [Dial plan for NPA 480]

NXX: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
480-403 A Phoenix AZ CHNDAZWEDS0  9636 QWEST CORPORATION 666      
480-403 0 Phoenix AZ   9636 QWEST CORPORATION 666      
480-403 1 Phoenix AZ   6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2004-05-20   
480-403 2 Phoenix AZ   9636 QWEST CORPORATION 666      
480-403 3 Phoenix AZ   9636 QWEST CORPORATION 666      
480-403 4 Phoenix AZ   9636 QWEST CORPORATION 666      
480-403 5 Phoenix AZ   9636 QWEST CORPORATION 666      
480-403 6 Phoenix AZ   9636 QWEST CORPORATION 666      
480-403 7 Phoenix AZ   9636 QWEST CORPORATION 666      
480-403 8 Phoenix AZ   9636 QWEST CORPORATION 666      
480-403 9 Phoenix AZ   9636 QWEST CORPORATION 666      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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