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.

NPA: 813 [Rate centres in NPA 813] [Dial plan for NPA 813]

NXX: 456

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
813-456 A Tampa Central FL TAMRFLWSCMD  7635 LEVEL 3 TELECOM OF FLORIDA, LP - FL 952      
813-456 0 Tampa Central FL TAMRFLWSCMD  7635 LEVEL 3 TELECOM OF FLORIDA, LP - FL 952   2013-08-10   
813-456 1 Tampa Central FL TAMRFLWSCMD  7635 LEVEL 3 TELECOM OF FLORIDA, LP - FL 952   2013-08-10   
813-456 2 Tampa Central FL TAMRFLWSCMD  7635 LEVEL 3 TELECOM OF FLORIDA, LP - FL 952   2013-08-10   
813-456 3 Tampa Central FL TAMRFLWSCMD  7635 LEVEL 3 TELECOM OF FLORIDA, LP - FL 952   2013-08-10   
813-456 4 Tampa Central FL TAMRFLWSCMD  7635 LEVEL 3 TELECOM OF FLORIDA, LP - FL 952   2013-08-10   
813-456 5 Tampa Central FL TAMRFLWSCMD  7635 LEVEL 3 TELECOM OF FLORIDA, LP - FL 952   2013-08-10   
813-456 6 Tampa Central FL TAMRFLWSCMD  7635 LEVEL 3 TELECOM OF FLORIDA, LP - FL 952   2013-08-10   
813-456 7 Tampa Central FL TAMRFLWSCMD  7635 LEVEL 3 TELECOM OF FLORIDA, LP - FL 952   2013-08-10   
813-456 8 Tampa Central FL TAMRFLWSCMD  7635 LEVEL 3 TELECOM OF FLORIDA, LP - FL 952   2013-08-10   
813-456 9 Tampa Central FL TAMRFLWSCMD  7635 LEVEL 3 TELECOM OF FLORIDA, LP - FL 952   2013-08-10   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.