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: PHNXAZMYDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
623-245 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-247 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-537 8 Phoenix AZ 9636 QWEST CORPORATION 666      
623-691 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-691 0 Phoenix AZ 9636 QWEST CORPORATION 666      
623-691 1 Phoenix AZ 9636 QWEST CORPORATION 666      
623-691 2 Phoenix AZ 9636 QWEST CORPORATION 666      
623-691 3 Phoenix AZ 9636 QWEST CORPORATION 666      
623-691 4 Phoenix AZ 9636 QWEST CORPORATION 666      
623-691 5 Phoenix AZ 9636 QWEST CORPORATION 666      
623-691 9 Phoenix AZ 9636 QWEST CORPORATION 666      
623-845 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-845 0 Phoenix AZ 9636 QWEST CORPORATION 666      
623-845 1 Phoenix AZ 9636 QWEST CORPORATION 666      
623-845 3 Phoenix AZ 9636 QWEST CORPORATION 666      
623-845 4 Phoenix AZ 9636 QWEST CORPORATION 666      
623-845 5 Phoenix AZ 9636 QWEST CORPORATION 666      
623-845 6 Phoenix AZ 9636 QWEST CORPORATION 666      
623-845 7 Phoenix AZ 9636 QWEST CORPORATION 666      
623-845 8 Phoenix AZ 9636 QWEST CORPORATION 666      
623-845 9 Phoenix AZ 9636 QWEST CORPORATION 666      
623-846 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-848 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-849 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-866 A Phoenix AZ 9636 QWEST CORPORATION 666      
623-866 0 Phoenix AZ 9636 QWEST CORPORATION 666      
623-866 1 Phoenix AZ 9636 QWEST CORPORATION 666      
623-873 A Phoenix AZ 9636 QWEST CORPORATION 666      

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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