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: MIAUFLWSZMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
561-925 A West Palm Beach FL 490J DISH WIRELESS, LLC 46018      
645-219 A Perrine FL 490J DISH WIRELESS, LLC 46017   2024-07-14   
645-223 A Miami FL 490J DISH WIRELESS, LLC 46017   2024-09-16   
754-315 A Fort Lauderdale FL 490J DISH WIRELESS, LLC 46017      
772-280 A Stuart FL 490J DISH WIRELESS, LLC 46018      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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