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: 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      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.