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: FLRNAZMARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
520-866 A Casa Grande AZ 9636 QWEST CORPORATION 666      
520-866 2 Casa Grande AZ 9636 QWEST CORPORATION 666      
520-866 3 Casa Grande AZ 9636 QWEST CORPORATION 666      
520-866 4 Casa Grande AZ 9636 QWEST CORPORATION 666      
520-866 5 Casa Grande AZ 9636 QWEST CORPORATION 666      
520-866 6 Casa Grande AZ 9636 QWEST CORPORATION 666      
520-866 7 Casa Grande AZ 9636 QWEST CORPORATION 666      
520-866 8 Casa Grande AZ 9636 QWEST CORPORATION 666      
520-868 A Casa Grande AZ 9636 QWEST CORPORATION 666      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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