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: 944

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
813-944 A Tampa South FL TAMQFLUNGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 952      
813-944 0 Tampa South FL TAMQFLUNGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 952   2004-04-13   
813-944 1 Tampa South FL TAMSFLDEXMD  8689 BUSINESS TELECOM, INC. DBA BTI - FL 952   2004-08-30   
813-944 2 Tampa South FL TAMQFLSZDS0  7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 952   2005-08-06   
813-944 3 Tampa South FL TAMQFLSZDS0  7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 952   2005-08-06   
813-944 4 Tampa South FL TAMQFLSZDS0  7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 952   2005-08-06   
813-944 5 Tampa South FL TAMQFLSZDS0  7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 952   2005-08-06   
813-944 6 Tampa South FL TAMQFLSZDS0  7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 952   2005-08-06   
813-944 7 Tampa South FL TAMQFLUNGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 952   2005-02-04   
813-944 8 Tampa South FL TAMQFLUNGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 952   2005-02-04   
813-944 9 Tampa South FL TAMQFLUNGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 952   2004-05-13   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.