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: MIAUFLWS9MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
561-335 A West Palm Beach FL 765A IDT AMERICA CORP. - FL 46018      
786-453 A Miami FL 765A IDT AMERICA CORP. - FL 46017      
786-485 A Miami FL 765A IDT AMERICA CORP. - FL 46017      
786-620 A Miami FL 765A IDT AMERICA CORP. - FL 46017      
786-768 A Miami FL 765A IDT AMERICA CORP. - FL 46017      
786-864 A Miami FL 765A IDT AMERICA CORP. - FL 46017      

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

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