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: 504

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
813-504 A Tampa Central FL TAMQFLFZ5MD  6701 AERIAL COMMUNICATIONS, INC. 952   2024-02-09   
813-504 0 Tampa Central FL TAMQFLUNGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 952   2005-11-25   
813-504 1 Tampa Central FL TAMQFLFZ3MD  6701 AERIAL COMMUNICATIONS, INC. 952   2005-02-06   
813-504 2 Tampa Central FL TAMQFLFZ3MD  6701 AERIAL COMMUNICATIONS, INC. 952   2005-02-06   
813-504 3 Tampa Central FL TAMQFLFZ3MD  6701 AERIAL COMMUNICATIONS, INC. 952   2005-02-06   
813-504 4 Tampa Central FL TAMQFLFZ5MD  6701 AERIAL COMMUNICATIONS, INC. 952   2005-01-19   
813-504 5 Tampa Central FL TAMQFLFZ5MD  6701 AERIAL COMMUNICATIONS, INC. 952   2005-01-19   
813-504 6 Tampa Central FL TAMQFLFZ5MD  6701 AERIAL COMMUNICATIONS, INC. 952   2005-01-19   
813-504 7 Tampa Central FL TAMQFLFZ5MD  6701 AERIAL COMMUNICATIONS, INC. 952   2005-01-07   
813-504 8 Tampa Central FL TAMQFLFZ5MD  6701 AERIAL COMMUNICATIONS, INC. 952   2005-01-07   
813-504 9 Tampa Central FL   6701 AERIAL COMMUNICATIONS, INC. 952   2005-01-07   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.