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: PHNXAZSODS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
602-232 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-243 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-268 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-276 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-304 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-305 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-323 A Phoenix AZ 9636 QWEST CORPORATION 666      
602-323 0 Phoenix AZ 9636 QWEST CORPORATION 666      
602-323 1 Phoenix AZ 9636 QWEST CORPORATION 666      
602-323 2 Phoenix AZ 9636 QWEST CORPORATION 666      
602-323 3 Phoenix AZ 9636 QWEST CORPORATION 666      
602-323 5 Phoenix AZ 9636 QWEST CORPORATION 666      
602-323 8 Phoenix AZ 9636 QWEST CORPORATION 666      
602-323 9 Phoenix AZ 9636 QWEST CORPORATION 666      
602-546 6 Phoenix AZ 9636 QWEST CORPORATION 666      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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