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.

Tampa South, FL

<< 1 2 3 4 5

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
813-944 0   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 952   2004-04-13   
813-944 1   829J PAETEC ITEL, LLC 952   2004-08-30   
813-944 2   7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 952   2005-08-06   
813-944 3   7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 952   2005-08-06   
813-944 4   7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 952   2005-08-06   
813-944 5   7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 952   2005-08-06   
813-944 6   7448 MCI WORLDCOM COMMUNICATIONS, INC. - FL 952   2005-08-06   
813-944 7   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 952   2005-02-04   
813-944 8   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 952   2005-02-04   
813-944 9   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 952   2004-05-13   

<< 1 2 3 4 5

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.