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: PHNXAZSEDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
602-414 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-426 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-431 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-437 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-438 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-453 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-454 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-458 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-470 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-659 A Phoenix AZ 9636 QWEST CORPORATION 666      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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