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: SCDLAZSHDS0

Remotes:

Switch Switch name Switch type
FTMDAZNORS1  RIO VERDE  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
480-301 A Phoenix AZ 9636 QWEST CORPORATION 666      
480-314 A Phoenix AZ 9636 QWEST CORPORATION 666      
480-323 A Phoenix AZ 9636 QWEST CORPORATION 666      
480-391 A Phoenix AZ 9636 QWEST CORPORATION 666      
480-451 A Phoenix AZ 9636 QWEST CORPORATION 666      
480-551 A Phoenix AZ 9636 QWEST CORPORATION 666      
480-614 A Phoenix AZ 9636 QWEST CORPORATION 666      
480-657 A Phoenix AZ 9636 QWEST CORPORATION 666      
480-661 A Phoenix AZ 9636 QWEST CORPORATION 666      
480-767 A Phoenix AZ 9636 QWEST CORPORATION 666      
480-860 A Phoenix AZ 9636 QWEST CORPORATION 666      
480-862 A Phoenix AZ 9636 QWEST CORPORATION 666      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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