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: TAMSFLDEMMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
813-450 A Tampa Central FL 939H COMMIO, LLC 952      
813-861 A Tampa East FL 939H COMMIO, LLC 952      
863-376 A Mulberry FL 939H COMMIO, LLC 952      
941-335 A Englewood FL 939H COMMIO, LLC 952      
941-381 A Sarasota FL 939H COMMIO, LLC 952   2024-02-17   
941-382 A Bradenton FL 939H COMMIO, LLC 952   2024-02-17   

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

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