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: TAMPFLCOLMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
813-313 1 Tampa Central FL 7421 AT&T - LOCAL 952      
813-313 2 Tampa Central FL 7421 AT&T - LOCAL 952      
813-313 3 Tampa Central FL 7421 AT&T - LOCAL 952      
813-313 5 Tampa Central FL 7421 AT&T - LOCAL 952      
813-343 9 Tampa West FL 7421 AT&T - LOCAL 952      
813-345 9 Tampa North FL 7421 AT&T - LOCAL 952      
813-793 9 Tampa East FL 7421 AT&T - LOCAL 952      
813-838 9 Zephyrhills FL 7421 AT&T - LOCAL 952   2002-10-12   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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