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: TAMSFLDEXHX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
727-621 A Clearwater FL 732J NUSO, LLC 952      
727-621 1 Clearwater FL 732J NUSO, LLC 952   2023-05-07   
727-624 7 Clearwater FL 732J NUSO, LLC 952   2024-06-13   
727-624 8 Clearwater FL 732J NUSO, LLC 952   2024-06-13   
727-630 4 Clearwater FL 732J NUSO, LLC 952   2023-12-19   
727-630 5 Clearwater FL 732J NUSO, LLC 952   2023-12-19   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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