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: ELOYAZ01RS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
520-464 A Casa Grande AZ 9636 QWEST CORPORATION 666      
520-464 0 Casa Grande AZ 9636 QWEST CORPORATION 666      
520-464 1 Casa Grande AZ 9636 QWEST CORPORATION 666      
520-464 3 Casa Grande AZ 9636 QWEST CORPORATION 666      
520-464 8 Casa Grande AZ 9636 QWEST CORPORATION 666      
520-466 A Casa Grande AZ 9636 QWEST CORPORATION 666      
520-582 2 Casa Grande AZ 9636 QWEST CORPORATION 666   2007-09-07   
520-582 3 Casa Grande AZ 9636 QWEST CORPORATION 666   2007-09-07   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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