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: PHNXAZNWDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
602-242 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-246 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-249 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-335 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-336 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-347 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-433 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-544 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-589 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-634 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-841 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-864 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-865 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-973 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-995 A Phoenix AZ 9636 QWEST CORPORATION 666      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.