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

NXX: 421

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
480-421 A Phoenix AZ SCDLAZMADS0  9636 QWEST CORPORATION 666      
480-421 0 Phoenix AZ SCDLAZMADS0  9636 QWEST CORPORATION 666      
480-421 1 Phoenix AZ SCDLAZMADS0  9636 QWEST CORPORATION 666      
480-421 2 Phoenix AZ SCDLAZMADS0  9636 QWEST CORPORATION 666      
480-421 3 Phoenix AZ SCDLAZMADS0  9636 QWEST CORPORATION 666      
480-421 4 Phoenix AZ SCDLAZMADS0  9636 QWEST CORPORATION 666      
480-421 5 Phoenix AZ SCDLAZMADS0  9636 QWEST CORPORATION 666      
480-421 6 Phoenix AZ SCDLAZMADS0  9636 QWEST CORPORATION 666      
480-421 7 Phoenix AZ SCDLAZMADS0  9636 QWEST CORPORATION 666      
480-421 8 Phoenix AZ PHNZAZZJAMD  6572 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ 666   2004-05-20   
480-421 9 Phoenix AZ SCDLAZMADS0  9636 QWEST CORPORATION 666      

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

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