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.
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Switch: ALFAFLXA67H

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
813-671 A Tampa Central FL 0328 FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA 952      
813-672 A Tampa Central FL 0328 FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA 952      
813-677 A Tampa Central FL 0328 FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA 952      
813-741 A Tampa Central FL 0328 FRONTIER FLORIDA LLC DBA FRONTIER COMM OF FLORIDA 952      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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